sferum.ru

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sferum.ru
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-25 23:58:19 UTC · ↺ Refresh

MX Hostnames

  • emx.mail.ru

MX Priorities

  • emx.mail.ru: 10

A / AAAA Records

  • 79.137.183.53 ↩ srv53-183-137-79.vk.com
  • 79.137.183.48 ↩ srv48-183-137-79.vk.com
  • 79.137.183.49 ↩ srv49-183-137-79.vk.com
  • 79.137.183.50 ↩ srv50-183-137-79.vk.com
  • 79.137.183.51 ↩ srv51-183-137-79.vk.com
  • 79.137.183.52 ↩ srv52-183-137-79.vk.com

Mail Server IPs

  • 217.69.139.180 ↩ emx.mail.ru
  • 94.100.180.180 ↩ emx.mail.ru

SOA Record

Raw SOA ns1.vkontakte.ru ncc.vk.com 3562105572 900 600 604800 900
Primary NS (mname)
ns1.vkontakte.ru
Admin Email (rname)
ncc@vk.com
Serial
3562105572
Refresh
900s
Retry
600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns1.vkontakte.ru
ns3.vkontakte.ru
ns2.vkontakte.ru
ns4.vkontakte.ru

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:93.186.224.0/20 ip4:87.240.128.0/18 ip4:95.142.192.0/21 mx include:_spf.google.com include:_spf.mail.ru include:send-box.ru ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • _globalsign-domain-verification=_OZBqRB-Xxk4CBbs4uzzAoEZGwk-u03n6fN1OnRiO3
  • yandex-verification: f9a12845aabfcba5
  • SPFv=spf1 ip4:93.186.224.0/20 ip4:87.240.128.0/18 ip4:95.142.192.0/21 mx include:_spf.google.com include:_spf.mail.ru include:send-box.ru ~all
  • _globalsign-domain-verification=cyz9Gv3G3asN-6QT_rWOJEXgAKvX8-ZHXuVPuRKmVX
  • DMARCv=DMARC1; p=ignore; sp=ignore; pst=100; rua=mailto:[email protected]
  • HARICA-YjvwruTICY354IHoPuZ
  • _globalsign-domain-verification=Ifg3f8sVCo8MOc0nF1-R1CaeGRjRu-tC2paOp9DDWl
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