mail.knjazev.com - robtex.com

mail.knjazev.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:f6a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a22d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.106Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.45🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.106, 172.67.162.45
IPv6 hints2606:4700:3037::6815:f6a, 2606:4700:3037::ac43:a22d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com

knjazev.com

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:f6a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a22d🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.15.106Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.162.45🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSirena.ns.cloudflare.com ⭐
NSmemphis.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.15.106, 172.67.162.45
IPv6 hints2606:4700:3037::6815:f6a, 2606:4700:3037::ac43:a22d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOAirena.ns.cloudflare.comdns@cloudflare.com serial=2400061080
WOT: UNKNOWN (61/100)

Previously MX for

knjazev.com

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DNS History

6 records (4 active, 2 former)

2020202120222023202420252026A104.21.15.106172.67.162.452606:4700:3037::6815:f6a2606:4700:3037::ac43:a22d141.8.194.422a0a:2b43:44:e117::
●A104.21.15.1062026-04-30 → 2026-05-10 · 3 obs
○ 2019-12-21 18:06:14
● 2026-04-30 08:50:56
● 2026-05-10 10:14:52
○A141.8.194.422019-12-21 → 2019-12-21 · 3 obs
● 2019-12-21 18:06:14
○ 2026-04-30 08:50:56
○ 2026-05-10 10:14:52
●A172.67.162.452026-04-30 → 2026-05-10 · 3 obs
○ 2019-12-21 18:06:14
● 2026-04-30 08:50:56
● 2026-05-10 10:14:52
●A2606:4700:3037::6815:f6a2026-04-30 → 2026-05-10 · 3 obs
○ 2019-12-21 18:06:14
● 2026-04-30 08:50:56
● 2026-05-10 10:14:52
●A2606:4700:3037::ac43:a22d2026-04-30 → 2026-05-10 · 3 obs
○ 2019-12-21 18:06:14
● 2026-04-30 08:50:56
● 2026-05-10 10:14:52
○A2a0a:2b43:44:e117::2019-12-21 → 2019-12-21 · 3 obs
● 2019-12-21 18:06:14
○ 2026-04-30 08:50:56
○ 2026-05-10 10:14:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...-
knjazev.comirena.ns.cloudflare.com, memphis.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.189

NS records: irena.ns.cloudflare.com, memphis.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knjazev.com (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.162.45, 104.21.15.106
AAAA22606:4700:3037::ac43:a22d, 2606:4700:3037::6815:f6a
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (irena.ns.cloudflare.com, irena.ns.cloudflare.com, irena.ns.cloudflare.com...)

Analysis

IP Addresses

mail.knjazev.com points to four IP numbers: 2606:4700:3037::6815:f6a, 2606:4700:3037::ac43:a22d, 104.21.15.106 and 172.67.162.45.

Other host names, for instance alperaksoy.net, cchongyu.com, howwilltheyknow.me, good-proxies.ru and fleetnet.com.br share IP numbers with mail.knjazev.com.