mail.osf.pl - robtex.com

mail.osf.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b7ba🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:385d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.93Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.186🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.56.93, 172.67.183.186
IPv62606:4700:3031::ac43:b7ba, 2606:4700:3032::6815:385d

osf.pl

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:b7ba🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:385d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.93Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.186🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShaley.ns.cloudflare.com ⭐
NSmatteo.ns.cloudflare.com
MXosf-pl.mail.protection.outlook.com ⭐
TXTMS=ms88639722
TXTgoogle-site-verification=0vrXhAWdX-wxf_504tT4el2ytQ29homU5Gy7zYqBC24
TXTv=spf1 ip4:194.28.189.11/32 include:spf.protection.outlook.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.56.93, 172.67.183.186
IPv62606:4700:3031::ac43:b7ba, 2606:4700:3032::6815:385d
SOAhaley.ns.cloudflare.comdns@cloudflare.com serial=2398814767

Previously MX for

osf.pl

Same first word

mail.info.at
mail.nis.za
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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.56.93172.67.183.1862606:4700:3031::ac43:b7ba2606:4700:3032::6815:385d91.222.160.181
●A104.21.56.932026-02-16 → 2026-03-29 · 3 obs
○ 2016-07-13 11:32:54
● 2026-02-16 04:49:14
● 2026-03-29 15:46:22
●A172.67.183.1862026-02-16 → 2026-03-29 · 3 obs
○ 2016-07-13 11:32:54
● 2026-02-16 04:49:14
● 2026-03-29 15:46:22
●A2606:4700:3031::ac43:b7ba2026-02-16 → 2026-03-29 · 3 obs
○ 2016-07-13 11:32:54
● 2026-02-16 04:49:14
● 2026-03-29 15:46:22
●A2606:4700:3032::6815:385d2026-02-16 → 2026-03-29 · 3 obs
○ 2016-07-13 11:32:54
● 2026-02-16 04:49:14
● 2026-03-29 15:46:22
○A91.222.160.1812015-07-22 → 2016-07-13 · 4 obs
● 2015-07-22 06:34:08
● 2016-07-13 11:32:54
○ 2026-02-16 04:49:14
○ 2026-03-29 15:46:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
osf.plhaley.ns.cloudflare.com, matteo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.15

NS records: haley.ns.cloudflare.com, matteo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osf.pl (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.93, 172.67.183.186
AAAA22606:4700:3032::6815:385d, 2606:4700:3031::ac43:b7ba
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by mail.osf.pl: 2606:4700:3031::ac43:b7ba, 2606:4700:3032::6815:385d, 104.21.56.93 and 172.67.183.186.

other host names including ns2.schools.gr, bpb.rahaei.workers.dev, topgadgetadvisor.com, du-pre.com and www.osf.pl share IP numbers with mail.osf.pl.