mail.3rn.net - robtex.com

mail.3rn.net

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:688🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9ae1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.136Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.225🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.136, 172.67.154.225
IPv6 hints2606:4700:3034::6815:688, 2606:4700:3037::ac43:9ae1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com

3rn.net

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:688🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9ae1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.136Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.154.225🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrex.ns.cloudflare.com ⭐
NSullis.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.136, 172.67.154.225
IPv6 hints2606:4700:3034::6815:688, 2606:4700:3037::ac43:9ae1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOArex.ns.cloudflare.comdns@cloudflare.com serial=2401167657
WOT: SAFE (50/100)
WOT: SAFE (38/100)

Previously MX for

3rn.net

Same first word

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DNS History

5 records (4 active, 1 former)

202120222023202420252026A104.21.6.136172.67.154.2252606:4700:3034::6815:6882606:4700:3037::ac43:9ae194.102.12.47
●A104.21.6.1362026-04-19 → 2026-04-24 · 3 obs
○ 2020-03-29 11:58:32
● 2026-04-19 13:58:24
● 2026-04-24 22:58:10
●A172.67.154.2252026-04-19 → 2026-04-24 · 3 obs
○ 2020-03-29 11:58:32
● 2026-04-19 13:58:24
● 2026-04-24 22:58:10
●A2606:4700:3034::6815:6882026-04-19 → 2026-04-24 · 3 obs
○ 2020-03-29 11:58:32
● 2026-04-19 13:58:24
● 2026-04-24 22:58:10
●A2606:4700:3037::ac43:9ae12026-04-19 → 2026-04-24 · 3 obs
○ 2020-03-29 11:58:32
● 2026-04-19 13:58:24
● 2026-04-24 22:58:10
○A94.102.12.472020-03-29 → 2020-03-29 · 3 obs
● 2020-03-29 11:58:32
○ 2026-04-19 13:58:24
○ 2026-04-24 22:58:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
3rn.netullis.ns.cloudflare.com, rex.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.13

NS records: ullis.ns.cloudflare.com, rex.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3rn.net (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.154.225, 104.21.6.136
AAAA22606:4700:3037::ac43:9ae1, 2606:4700:3034::6815:688
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.3rn.net resolves to four IPs: 2606:4700:3034::6815:688, 2606:4700:3037::ac43:9ae1, 104.21.6.136 and 172.67.154.225.

Other host names such as www.putana.co, gegeslotlink32.com, 4014daa45aaf.palmebi.net, mail.putana.co and remidemo.com share IP numbers with mail.3rn.net.