mail.osssb.com - robtex.com

mail.osssb.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1e1c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:9671🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.28Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.113🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.28, 172.67.150.113
IPv6 hints2606:4700:3032::6815:1e1c, 2606:4700:3032::ac43:9671
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com

osssb.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1e1c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:9671🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.28Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.113🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScrystal.ns.cloudflare.com ⭐
NSstan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.28, 172.67.150.113
IPv6 hints2606:4700:3032::6815:1e1c, 2606:4700:3032::ac43:9671
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=245, name=cloudflare-ech.com
SOAcrystal.ns.cloudflare.comdns@cloudflare.com serial=2407428450

Previously MX for

osssb.com

Same first word

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DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.30.28172.67.150.1132606:4700:3032::6815:1e1c2606:4700:3032::ac43:9671104.254.245.69173.201.183.1602606:4700:3036::ac43:9671
●A104.21.30.282026-03-24 → 2026-06-23 · 3 obs
○ 2026-03-14 04:31:38
● 2026-03-24 13:13:46
● 2026-06-23 01:53:06
○A104.254.245.692017-10-18 → 2026-03-14 · 5 obs
○ 2016-09-10 10:30:48
● 2017-10-18 15:47:26
● 2026-03-14 04:31:38
○ 2026-03-24 13:13:46
○ 2026-06-23 01:53:06
●A172.67.150.1132026-03-24 → 2026-06-23 · 3 obs
○ 2026-03-14 04:31:38
● 2026-03-24 13:13:46
● 2026-06-23 01:53:06
○A173.201.183.1602015-08-16 → 2016-09-10 · 4 obs
● 2015-08-16 04:37:18
● 2016-09-10 10:30:48
○ 2017-10-18 15:47:26
○ 2026-06-23 01:53:06
●A2606:4700:3032::6815:1e1c2026-03-24 → 2026-06-23 · 3 obs
○ 2026-03-14 04:31:38
● 2026-03-24 13:13:46
● 2026-06-23 01:53:06
●A2606:4700:3032::ac43:96712026-06-23 → 2026-06-23 · 2 obs
○ 2026-04-13 12:11:08
● 2026-06-23 01:53:06
○A2606:4700:3036::ac43:96712026-03-24 → 2026-04-13 · 4 obs
○ 2026-03-14 04:31:38
● 2026-03-24 13:13:46
● 2026-04-13 12:11:08
○ 2026-06-23 01:53:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
osssb.comstan.ns.cloudflare.com, crystal.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.202

NS records: stan.ns.cloudflare.com, crystal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osssb.com (unsigned zone)

⏱️ Timing

Total: 112ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.150.113, 104.21.30.28
AAAA22606:4700:3032::ac43:9671, 2606:4700:3032::6815:1e1c
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.osssb.com resolves to four IP addresses: 104.21.30.28, 172.67.150.113, 2606:4700:3032::6815:1e1c and 2606:4700:3032::ac43:9671.

mcl793.com, nhzczuzvmmcfh.website, ocio.uncomo.com plus two other host names have IP numbers in common with mail.osssb.com.