postmaster.optibeam.net - robtex.com

postmaster.optibeam.net

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8fae🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1bf5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.245Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.174🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.245, 172.67.143.174
IPv6 hints2606:4700:3033::ac43:8fae, 2606:4700:3037::6815:1bf5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com

optibeam.net

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8fae🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1bf5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.245Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.143.174🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgail.ns.cloudflare.com ⭐
NSrustam.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.245, 172.67.143.174
IPv6 hints2606:4700:3033::ac43:8fae, 2606:4700:3037::6815:1bf5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAgail.ns.cloudflare.comdns@cloudflare.com serial=2401056000

Same first word

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masterpost.com
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spotmaster.ru
sportsteam.at
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topmasters.com
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sportsmeta.com
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masterpost.us
metasports.com
teamsports.com.au
teamsports.com.ua
sportsmate.no
stampstore.de
streamspot.net
metasports.com.py
sportsmate.org
sportsteam.eu
streamspot.com
teamsports.org
sportteams.com
stopmaster.com
smartposte.com
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stampstore.com.au
sportteams.net
masterspot.com
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stampstore.net.au
metasports.com.br
topmasters.eu
spotmaster.de
spotmaster.app
teamsports.de
sportsteam.org
spotmaster.com
masterpost.com.br
topstreams.tv
tesmasport.si
opsmatters.com
sportmates.com
teamsports.cn
sportsmate.com

DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.27.245172.67.143.1742606:4700:3033::ac43:8fae2606:4700:3037::6815:1bf5188.40.64.126212.123.41.1082a01:4f8:140:9121::32a01:4f8:221:5c2::278.46.148.65
●A104.21.27.2452026-03-28 → 2026-05-13 · 5 obs
○ 2026-03-03 09:15:50
● 2026-03-28 06:08:50
○ 2026-03-31 23:34:44
● 2026-05-13 09:38:04
● 2026-05-13 09:38:06
●A172.67.143.1742026-03-28 → 2026-05-13 · 5 obs
○ 2026-03-03 09:15:50
● 2026-03-28 06:08:50
○ 2026-03-31 23:34:44
● 2026-05-13 09:38:04
● 2026-05-13 09:38:06
○A188.40.64.1262026-03-03 → 2026-03-03 · 4 obs
○ 2016-03-25 13:43:16
● 2026-03-03 09:15:50
○ 2026-03-28 06:08:50
○ 2026-05-13 09:38:06
○A212.123.41.1082026-03-31 → 2026-03-31 · 4 obs
○ 2026-03-28 06:08:50
● 2026-03-31 23:34:44
○ 2026-05-13 09:38:04
○ 2026-05-13 09:38:06
●A2606:4700:3033::ac43:8fae2026-03-28 → 2026-05-13 · 5 obs
○ 2026-03-03 09:15:50
● 2026-03-28 06:08:50
○ 2026-03-31 23:34:44
● 2026-05-13 09:38:04
● 2026-05-13 09:38:06
●A2606:4700:3037::6815:1bf52026-03-28 → 2026-05-13 · 5 obs
○ 2026-03-03 09:15:50
● 2026-03-28 06:08:50
○ 2026-03-31 23:34:44
● 2026-05-13 09:38:04
● 2026-05-13 09:38:06
○A2a01:4f8:140:9121::32015-06-19 → 2016-03-25 · 4 obs
● 2015-06-19 22:07:54
● 2016-03-25 13:43:16
○ 2026-03-03 09:15:50
○ 2026-05-13 09:38:06
○A2a01:4f8:221:5c2::22026-03-03 → 2026-03-03 · 4 obs
○ 2016-03-25 13:43:16
● 2026-03-03 09:15:50
○ 2026-03-28 06:08:50
○ 2026-05-13 09:38:06
○A78.46.148.652015-06-19 → 2016-03-25 · 4 obs
● 2015-06-19 22:07:54
● 2016-03-25 13:43:16
○ 2026-03-03 09:15:50
○ 2026-05-13 09:38:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...-
optibeam.netgail.ns.cloudflare.com, rustam.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.116

NS records: gail.ns.cloudflare.com, rustam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optibeam.net (unsigned zone)

⏱️ Timing

Total: 1589ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.27.245, 172.67.143.174
AAAA22606:4700:3037::6815:1bf5, 2606:4700:3033::ac43:8fae
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

postmaster.optibeam.net points to four IP numbers: 2606:4700:3033::ac43:8fae, 2606:4700:3037::6815:1bf5, 104.21.27.245 and 172.67.143.174.

For instance, other host names qiseqema.com, toint.com.tr, dns-01.horny(0x77686f7265)s.net, smc.ovh and tereyhnujm.top share IP numbers with postmaster.optibeam.net.