mail.centrnko.ru - robtex.com

mail.centrnko.ru

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8cf1Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1b1bCloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.27Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.241Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.27, 172.67.140.241
IPv6 hints2606:4700:3031::ac43:8cf1, 2606:4700:3037::6815:1b1b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com

centrnko.ru

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.27.27172.67.140.2412606:4700:3031::ac43:8cf12606:4700:3037::6815:1b1b62.152.35.18883.217.8.118
●A104.21.27.272026-04-03 → 2026-05-13 · 3 obs
○ 2016-07-09 11:04:22
● 2026-04-03 05:56:34
● 2026-05-13 12:04:28
●A172.67.140.2412026-04-03 → 2026-05-13 · 3 obs
○ 2016-07-09 11:04:22
● 2026-04-03 05:56:34
● 2026-05-13 12:04:28
●A2606:4700:3031::ac43:8cf12026-04-03 → 2026-05-13 · 3 obs
○ 2016-07-09 11:04:22
● 2026-04-03 05:56:34
● 2026-05-13 12:04:28
●A2606:4700:3037::6815:1b1b2026-04-03 → 2026-05-13 · 3 obs
○ 2016-07-09 11:04:22
● 2026-04-03 05:56:34
● 2026-05-13 12:04:28
○A62.152.35.1882015-08-21 → 2015-08-21 · 3 obs
● 2015-08-21 08:30:38
○ 2015-12-12 20:58:30
○ 2026-05-13 12:04:28
○A83.217.8.1182015-12-12 → 2016-07-09 · 5 obs
○ 2015-08-21 08:30:38
● 2015-12-12 20:58:30
● 2016-07-09 11:04:22
○ 2026-04-03 05:56:34
○ 2026-05-13 12:04:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rue.dns.ripn.net, d.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...-
centrnko.runitin.ns.cloudflare.com, davina.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.40

NS records: nitin.ns.cloudflare.com, davina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for centrnko.ru (unsigned zone)

⏱️ Timing

Total: 1361ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.241, 104.21.27.27
AAAA22606:4700:3037::6815:1b1b, 2606:4700:3031::ac43:8cf1
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.centrnko.ru maps to four IP numbers: 2606:4700:3031::ac43:8cf1, 2606:4700:3037::6815:1b1b, 104.21.27.27 and 172.67.140.241.