Summary
- Registrar
- Regional Network Information Center, JSC dba RU-CENTER
- Status
- clientTransferProhibited
- Created on
- October 24, 2017
- Expires on
- October 25, 2026
- Name servers
- ns2.yandexcloud.net, ns1.yandexcloud.net
- Mail servers
- mx.yandex.net
- DMARC
- Monitoring
- SPF
- Soft
- DKIM
- 3 keys found
- Website
- See the website
Spoofing protection (DMARC)
E-mails spoofing this domain are only reported, not blocked.
DMARC tells mail servers what to do with an e-mail that claims to come from econs.online but fails SPF and DKIM checks.
- Policy
- Monitoring
- Subdomain policy
- Monitoring
- Messages covered
- 100%
- DKIM alignment
- Relaxed
- SPF alignment
- Relaxed
- Aggregate reports
- —
- Failure reports
- —
Record
v=DMARC1;p=none
Authorized senders (SPF)
E-mails sent by any other server are accepted but flagged as suspicious.
SPF lists the servers allowed to send e-mails for econs.online.
| Rule | Value | Result |
|---|---|---|
| include | _spf.yandex.net | Allowed |
| all | — | Suspicious |
Top-level DNS lookups: 1 of 10 allowed
Record
v=spf1 include:_spf.yandex.net ~all
E-mail signing (DKIM)
DKIM keys published by econs.online under the most common selectors. Other keys may exist under selectors specific to each sending service.
| Selector | Likely service | Key | Status |
|---|---|---|---|
| s1 | SendGrid | RSA 2048 bits | Active |
| s2 | SendGrid | RSA 2048 bits | Active |
| — | RSA 1024 bits · short | Active |
RSA keys shorter than 2048 bits, called short keys, are discouraged: they are easier to break.
MX, SPF, DKIM and DMARC: the e-mail records
Four DNS records make a domain's e-mail work. MX says where e-mails sent to econs.online arrive; SPF, DKIM and DMARC let mail servers check that an e-mail claiming to come from econs.online was really sent by this domain, which protects it against spoofing.
MX
An MX (Mail Exchanger) record designates a server that receives e-mails sent to the domain. When someone writes to an @econs.online address, their mail server queries the DNS for the domain's MX records, then delivers the message to the server they point to.
Example record
econs.online MX 10 mx1.econs.online. econs.online MX 20 mx2.econs.online.
What the record contains
- 10, 20
- Priority: the server with the lowest number is tried first. Servers with equal priority share the load.
- mx1.econs.online.
- Host name of the mail server. It must point to an A or AAAA record: an IP address or an alias (CNAME) is not allowed here.
- 0 .
- An MX "0 .", called a null MX, declares that the domain accepts no e-mail: sending servers give up at once instead of retrying.
Declaring at least two servers with different priorities avoids losing e-mails during an outage: sending servers retry for several days and fall back on the backup server. Without any MX, they try to deliver directly to the IP address of the domain.
SPF
SPF (Sender Policy Framework) is a TXT record listing the servers allowed to send e-mails on behalf of the domain. The receiving server checks that the sender is on this list. The final "all" rule says what to do with other servers: reject them (-all), flag their e-mails as suspicious (~all) or make no decision (?all).
Example record
econs.online TXT "v=spf1 mx include:_spf.google.com ip4:192.0.2.10 -all"
What the record contains
- v=spf1
- Identifies the record as an SPF policy. It must come first.
- ip4, ip6
- Allows a specific IP address or an address range, for example ip4:192.0.2.0/24.
- a, mx
- Allows the addresses of the domain itself (A record) or those of its mail servers (MX).
- include
- Allows the servers of another domain, usually a sending service: include:_spf.google.com for Google Workspace.
- -all, ~all
- Final rule, applied to every other server. Its qualifier decides what happens to them: - rejects them, ~ flags their e-mails as suspicious, ? makes no decision, + accepts them (avoid it).
A domain must publish only one SPF record, and its evaluation cannot exceed 10 DNS lookups (include, a, mx, exists, redirect). Beyond that, mail servers treat it as invalid.
DKIM
DKIM (DomainKeys Identified Mail) signs every outgoing e-mail with a private key. The matching public key is published in a TXT record at selector._domainkey.econs.online, so the recipient can check that the message really comes from the domain and was not altered on the way. The selector is chosen by each sending service and cannot be guessed: Dataweaz checks the most common ones (Google Workspace, Microsoft 365, Mailchimp, SendGrid…), so a key published under another selector may exist without appearing here.
Example record
google._domainkey.econs.online TXT "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA…"
What the record contains
- v=DKIM1
- Protocol version. Optional but recommended, in which case it must come first.
- k
- Key algorithm: rsa, the most common, or ed25519.
- p
- Public key, base64-encoded. An empty value means the key has been revoked.
- t
- Flags: y marks a key in testing, whose failures must not be penalized; s forbids its use for subdomains.
Each sending service publishes its key under its own selector (google, selector1, k1…), which allows several keys and seamless rotation. A 2048-bit RSA key is recommended today.
DMARC
DMARC (Domain-based Message Authentication, Reporting and Conformance) builds on SPF and DKIM. Published on _dmarc.econs.online, it tells mail servers what to do with an e-mail that fails these checks (let it through, send it to spam or reject it) and where to send reports.
Example record
_dmarc.econs.online TXT "v=DMARC1; p=quarantine; rua=mailto:[email protected]; adkim=r; aspf=r"
What the record contains
- v=DMARC1
- Identifies the record as a DMARC policy. It must come first.
- p
- Policy applied to e-mails that fail the checks: none (monitoring only), quarantine (spam folder) or reject.
- sp
- Subdomain policy. Without it, subdomains follow the domain's policy.
- rua
- Address that receives daily aggregate reports about e-mails sent on behalf of the domain, whether they pass the checks or not.
- ruf
- Address that receives detailed failure reports, message by message. Few providers still send them.
- pct
- Percentage of e-mails subject to the policy, for a gradual rollout. 100 by default.
- adkim, aspf
- DKIM and SPF alignment: r (relaxed, a subdomain of the same domain is enough) or s (strict, the domain must be identical).
To roll out DMARC without blocking legitimate e-mails, start with p=none and an rua address, analyze the reports to find every service sending on behalf of the domain, then move to quarantine and finally to reject.
DNS records of econs.online
IP addresses (A and AAAA)
An A record maps the domain name to an IPv4 address: the address of the server that browsers contact to display the website. The AAAA record does the same for an IPv6 address. A domain can have several of them to spread visits across several servers.
| Type | IP address |
|---|---|
| A | 51.250.112.99 |
Name servers (NS)
NS records designate the authoritative DNS servers of the domain: they answer every question about its other records (A, MX, TXT…). They are provided by the registrar, the hosting provider or a dedicated DNS service, and several servers are declared so that the domain keeps working if one of them fails.
| Server | IP address |
|---|---|
| ns2.yandexcloud.net | 84.201.189.229 |
| ns1.yandexcloud.net | 84.201.185.208 |
Mail servers (MX)
MX records point to the servers that receive e-mails sent to the domain, that is to @econs.online addresses. Each server has a priority: the one with the lowest number is tried first, the others take over if it fails. Without an MX record, the domain cannot receive e-mails.
| Priority | Server | IP address |
|---|---|---|
| 10 | mx.yandex.net | 77.88.21.249 |
TXT records
TXT records hold free text. They are used to prove ownership of the domain to online services (Google, Microsoft, Facebook…) and to publish e-mail security rules: SPF on the domain itself, DMARC on _dmarc.econs.online.
| Name | Content |
|---|---|
| econs.online | google-site-verification=UTJStKqdKdTPq-ANV1E6BQuMAxMR-ZXTh5aUrVa-A28 |
| econs.online | v=spf1 include:_spf.yandex.net ~all |
| econs.online | yandex-verification:ceb409ca93051d0a |
| econs.online | _globalsign-domain-verification=HF721TJ4DM0U5zvMoTtaEvT1l0rRS4g25HDvuTBO4r |
| econs.online | _globalsign-domain-verification=i2ZrRqboW2vDBfBE_XOCTQJdrEtWZtmQ3IgC4LEaSh |
| _dmarc.econs.online | v=DMARC1;p=none |
| s1._domainkey.econs.online | v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3t97hon3GKDFyvrKoEVcfUeGQQGHfNmuXOSTW9TVcoEJ3iIvc5naU7tPv+LVpECRctucOyeQV2FfqP/wHBP67/RS+FADkRxvdxtFnDS2nHo56Gk25h10XSGEe94wrLbMLZRuJxk5/Ek8b6algsOKFfIMIVpXjf4DsWrmnLJC0FpFef+Vk29zCqoWU6FssExXUb09udoNeDsylVkE/4Iu3mdd+/jYFFPTvJDVDyEazOxT0ChebswjJ05N0PwZvS/UvNx4SyAuiGCYGva6y+lGAHAvYfLYVt0usOLXez0ccjS/33+1vVEsWI82CQxtwg3IlwuZObdQKunQWfKviVnGFQIDAQAB |
| s2._domainkey.econs.online | v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5js/aBxGzbLdDQ4iT5j2A2o1YF84UWEtK6G4uePPkcnfG1ZBT2kDMVSFcaj8QARV2rNR2ZPxdYygZLGMuI9o/0X7cIZiiUQQLpBfm/V8zNDLKIUrcQaesDuXoEXqcbIwY1vtPYbahdWtlWJlvYDfHTVK6b0LjgE62+WTzgV3jXVglOplBfP3xlKPcou8VG3zteMObvnz1OEssD5bWYvPUAx6BWX+LBFAMMt0S6eNaV3QGAxSv/rcRMIqLxoiuc7VJEd8PIy7XVfyTUVU6EFwC2VIGrmWuJ3/8fiwzBkd9BelKYr5c4EbWPy0P5XsF0UPCNIEJFm53jDew0kl7H8yNwIDAQAB |
| mail._domainkey.econs.online | v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDVkddfSSki1XlvthiHhdUoYnrD8Zdd6dc8NdxIscza9qxCiN/hDEj3VC0qJVTqmd+d7td0udQtLZoK1J+v8wuf7c7whiYDPJvycJ7LqAQL8LUxzLPp3ZUPgBSL/JOocBPUn4tMi81n43F24TABzGpOvQTPV3gaYrawIZKuWrFJzwIDAQAB |
Related IP addresses
IPv4 addresses used by econs.online: website, name servers, mail servers and senders authorized by SPF.
| IP address | Used for | /24 block |
|---|---|---|
| 51.250.112.99 | Website | 51.250.112.0/24 |
| 84.201.189.229 | Name server ns2.yandexcloud.net | 84.201.189.0/24 |
| 84.201.185.208 | Name server ns1.yandexcloud.net | 84.201.185.0/24 |
| 77.88.21.249 | Mail server mx.yandex.net | 77.88.21.0/24 |
WHOIS of the domain econs.online
Domain Name: econs.online Registry Domain ID: D54445343-CNIC Registrar WHOIS Server: whois.nic.ru Registrar URL: http://www.nic.ru/en/ Updated Date: 2026-03-17T20:38:48.179Z Creation Date: 2017-10-24T12:53:16.000Z Registry Expiry Date: 2026-10-24T23:59:59.000Z Registrar: Regional Network Information Center, JSC dba RU-CENTER Registrar IANA ID: 463 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +7.4950091333 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Name Server: ns1.yandexcloud.net Name Server: ns2.yandexcloud.net DNSSEC: unsigned URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf >>> Last update of WHOIS database: 2026-10-02T17:18:03.582Z <<< For more information on domain status codes, please visit https://icann.org/epp The WHOIS information provided in this page has been redacted in compliance with ICANN's Temporary Specification for gTLD Registration Data. The data in this record is provided by Tucows Registry for informational purposes only, and it does not guarantee its accuracy. Tucows Registry is authoritative for whois information in top-level domains it operates under contract with the Internet Corporation for Assigned Names and Numbers. Whois information from other top-level domains is provided by a third-party under license to Tucows Registry. This service is intended only for query-based access. By using this service, you agree that you will use any data presented only for lawful purposes and that, under no circumstances will you use (a) data acquired for the purpose of allowing, enabling, or otherwise supporting the transmission by e-mail, telephone, facsimile or other communications mechanism of mass unsolicited, commercial advertising or solicitations to entities other than your existing customers; or (b) this service to enable high volume, automated, electronic processes that send queries or data to the systems of any Registrar or any Registry except as reasonably necessary to register domain names or modify existing domain name registrations. Tucows Registry reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy. All rights reserved. Domain Name: ECONS.ONLINE Registry Domain ID: D54445343-CNIC Registrar WHOIS Server: whois.nic.ru Registrar URL: https://www.nic.ru Updated Date: 2025-12-16T18:03:53Z Creation Date: 2017-10-24T12:53:16Z Registrar Registration Expiration Date: 2026-10-24T21:00:00Z Registrar: Regional Network Information Center, JSC dba RU-CENTER Registrar IANA ID: 463 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +74959944601 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registry Registrant ID: Registrant Name: The Central Bank of the Russian Federation Registrant Organization: The Central Bank of the Russian Federation Registrant Street: Neglinnaya, 12 Registrant City: Moscow Registrant Postal Code: 107016 Registrant Country: RU Registrant Phone: +7.4957539295 Registrant Phone Ext: Registrant Fax: +7.4957539249 Registrant Fax Ext: Registrant Email: [email protected] Registry Admin ID: Admin Name: The Central Bank of the Russian Federation Admin Organization: The Central Bank of the Russian Federation Admin Street: Neglinnaya, 12 Admin City: Moscow Admin Postal Code: 107016 Admin Country: RU Admin Phone: +7.4957539295 Admin Phone Ext: Admin Fax: +7.4957539249 Admin Fax Ext: Admin Email: [email protected] Registry Tech ID: Tech Name: The Central Bank of the Russian Federation Tech Organization: The Central Bank of the Russian Federation Tech Street: Neglinnaya, 12 Tech City: Moscow Tech Postal Code: 107016 Tech Country: RU Tech Phone: +7.4957539295 Tech Phone Ext: Tech Fax: +7.4957539249 Tech Fax Ext: Tech Email: [email protected] Name Server: ns1.yandexcloud.net Name Server: ns2.yandexcloud.net DNSSEC: unsigned URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/ For more information on Whois status codes, please visit: https://icann.org/epp >>> Last update of WHOIS database: 2026.10.02T20:17:54Z <<< % Query time: 849 msec % WHEN: Fri Oct 02 17:18:02 UTC 2026