rrc.ru

Valid Email Server
Domain Lookup › rrc.ru

Domain Overview

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

Checked via [email protected] · 2026-03-29 16:48:34 UTC · ↺ Refresh

MX Hostnames

  • m4.rrc.ru
  • m5.rrc.ru

MX Priorities

  • m5.rrc.ru: 100
  • m4.rrc.ru: 10

A / AAAA Records

  • 212.193.63.67 ↩ 342211.simplecloud.ru

Mail Server IPs

  • 217.144.169.247 ↩ m5.rrc.ru
  • 217.144.169.244 ↩ m4.rrc.ru

SOA Record

Raw SOA ns3-l2.nic.ru rrc_admin.rrc.ru 2023102531 3600 3600 2592000 600
Primary NS (mname)
ns3-l2.nic.ru
Admin Email (rname)
rrc_admin@rrc.ru
Serial
2023102531
Refresh
3600s
Retry
3600s
Expire
2592000s
Minimum TTL
600s

Nameservers (NS)

ns4-cloud.nic.ru
ns8-cloud.nic.ru
ns3-l2.nic.ru
ns4-l2.nic.ru
ns8-l2.nic.ru

SPF Record

✓ Strict (-all)
v=spf1 a:rrc.ru a:b2b.rrc.ru +mx include:spf.unisender.com include:spf.unisender.ru include:uni.rrc.ru include:servers.mcsv.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict 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

5 records
  • unisender-go-validate-hash=90d57cd534b0faffa070795bf1584aa3
  • google-site-verification=BaQJ7ieoivp2qIrw169IyHBvWnS5MjOS35hAe4zVxtk
  • globalsign-domain-verification=9X9aoTZaK0Ex7BaIRVj8KNtuqqzj6Zq09Co6r4fi3r
  • SPFv=spf1 a:rrc.ru a:b2b.rrc.ru +mx include:spf.unisender.com include:spf.unisender.ru include:uni.rrc.ru include:servers.mcsv.net -all
  • MS=ms25141723
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