mail.freeserialkey.net - robtex.com

mail.freeserialkey.net

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c8a2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:d9b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.155Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.162🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.13.155, 172.67.200.162
IPv62606:4700:3033::ac43:c8a2, 2606:4700:3035::6815:d9b

freeserialkey.net

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:c8a2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:d9b🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.155Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.162🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSsean.ns.cloudflare.com ⭐
NSsonia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.13.155, 172.67.200.162
IPv62606:4700:3033::ac43:c8a2, 2606:4700:3035::6815:d9b
SOAsean.ns.cloudflare.comdns@cloudflare.com serial=2399763532
WOT: UNKNOWN (42/100)
WOT: UNKNOWN (13/100)

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DNS History

8 records (4 active, 4 former)

A104.21.13.155172.67.200.1622606:4700:3033::ac43:c8a22606:4700:3035::6815:d9b188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.13.1552026-03-03 → 2026-03-26 · 3 obs
● 2026-03-03 13:47:24
○ 2026-03-23 17:53:56
● 2026-03-26 14:06:36
●A172.67.200.1622026-03-03 → 2026-03-26 · 3 obs
● 2026-03-03 13:47:24
○ 2026-03-23 17:53:56
● 2026-03-26 14:06:36
○A188.114.96.02026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-03 13:47:24
● 2026-03-23 17:53:56
○ 2026-03-26 14:06:36
○A188.114.97.02026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-03 13:47:24
● 2026-03-23 17:53:56
○ 2026-03-26 14:06:36
●A2606:4700:3033::ac43:c8a22026-03-03 → 2026-03-26 · 3 obs
● 2026-03-03 13:47:24
○ 2026-03-23 17:53:56
● 2026-03-26 14:06:36
●A2606:4700:3035::6815:d9b2026-03-03 → 2026-03-26 · 3 obs
● 2026-03-03 13:47:24
○ 2026-03-23 17:53:56
● 2026-03-26 14:06:36
○A2a06:98c1:3120::2026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-03 13:47:24
● 2026-03-23 17:53:56
○ 2026-03-26 14:06:36
○A2a06:98c1:3121::2026-03-23 → 2026-03-23 · 3 obs
○ 2026-03-03 13:47:24
● 2026-03-23 17:53:56
○ 2026-03-26 14:06:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nete.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...-
freeserialkey.netsean.ns.cloudflare.com, sonia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.190

NS records: sean.ns.cloudflare.com, sonia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for freeserialkey.net (unsigned zone)

⏱️ Timing

Total: 318ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.200.162, 104.21.13.155
AAAA22606:4700:3035::6815:d9b, 2606:4700:3033::ac43:c8a2
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.freeserialkey.net resolves to four IP numbers: 2606:4700:3033::ac43:c8a2, 2606:4700:3035::6815:d9b, 104.21.13.155 and 172.67.200.162.

other host names for instance toolingideas.com, uevm.cn, apxusjwkdeuop.site, mx.energetska-efikasnost.me and big-bass-bonanza.es share IP numbers with mail.freeserialkey.net.