mail.firstd.ru - robtex.com

mail.firstd.ru

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:e29🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:9db6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.41Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.182🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.41, 172.67.157.182
IPv6 hints2606:4700:3030::6815:e29, 2606:4700:3031::ac43:9db6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com

firstd.ru

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:e29🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:9db6🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.14.41Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.157.182🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoel.ns.cloudflare.com ⭐
NSpearl.ns.cloudflare.com
MX_dc-mx.2f2ba99b0047.firstd.ru ⭐
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.14.41, 172.67.157.182
IPv6 hints2606:4700:3030::6815:e29, 2606:4700:3031::ac43:9db6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=44, name=cloudflare-ech.com
SOAjoel.ns.cloudflare.comdns@cloudflare.com serial=2402895763

Previously MX for

firstd.ru

Same first word

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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rub.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
firstd.rujoel.ns.cloudflare.com, pearl.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.184

NS records: joel.ns.cloudflare.com, pearl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstd.ru (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.14.41, 172.67.157.182
AAAA22606:4700:3031::ac43:9db6, 2606:4700:3030::6815:e29
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.firstd.ru maps to four IP numbers: 2606:4700:3030::6815:e29, 2606:4700:3031::ac43:9db6, 104.21.14.41 and 172.67.157.182.

Other host names, for instance kunstfortasperen.nl, akzdyvv.cn, kanquwen.com, www.bynamesakke.com and auroracove.my share IP numbers with mail.firstd.ru.