`mail.extendvision.pl`

DNSSEC	⚠️ Not signed
A	31.172.182.231^{🇵🇱 TKPSA-AS31.172.176.0/20 3S S.A. LIR}
		PTR	`xeon.byt.pl`

`extendvision.pl`

	DNSSEC	⚠️ Not signed
	A	79.98.145.36^{🇵🇱 NitroNet79.98.144.0/21 Nitronet Sp. z o.o.}
	NS	`fns1.42.pl` ⭐
	NS	`fns2.42.pl`
	MX	`mail.extendvision.pl` ⭐
	TXT	`v=spf1 ip4:31.172.182.231 ~all`
	TXT	`google-site-verification=iaIfSqdErXispWjy3vJzkPWDG9zU3TB1BLkP1NkONGk`
	SOA	`fns1.42.pl`freedns-admin+107720@42.pl serial=1781773814

PTR for

52.239.13.83.in-addr.arpa

MX for

extendvision.pl

wystawa.pl

Same first word

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DNS History

2 records (1 active, 1 former)

●A31.172.182.2312026-02-17 → 2026-07-28 · 3 obs

○ 2016-09-12 06:04:08
● 2026-02-17 12:53:24
● 2026-07-28 09:55:28

○A85.219.233.852015-06-05 → 2016-09-12 · 4 obs

● 2015-06-05 02:54:54
● 2016-09-12 06:04:08
○ 2026-02-17 12:53:24
○ 2026-07-28 09:55:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
extendvision.pl	fns2.42.pl, fns1.42.pl	3 records

✅ Authoritative Response

Server:51.38.99.90

NS records: fns2.42.pl, fns1.42.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for extendvision.pl (unsigned zone)

⏱️ Timing

Total: 464ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`31.172.182.231`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (fns2.42.pl, fns1.42.pl, fns2.42.pl)

Analysis

Mail Server Role

mail.extendvision.pl is the mail server for extendvision.pl and wystawa.pl.

As mail servers, mx.extendvision.pl and mail.extendvision.pl are regularly found together.

IP Addresses

mail.extendvision.pl resolves to one IP address: 31.172.182.231.

Among others, xeon.byt.pl, mail.wystawa.pl, mail.stoisko.pl and poczta.extendvision.pl resolve to the same IP numbers as mail.extendvision.pl.

mail.extendvision.pl - robtex.com