`mailnull.vizja.pl`

DNSSEC	⚠️ Not signed
A	148.81.188.194^{🇵🇱 NASK-ACADEMIC148.81.0.0/16 WAWPOLIP}
		PTR	`r1.vizja.pl`

`vizja.pl`

	DNSSEC	⚠️ Not signed
	A	148.81.188.198^{🇵🇱 NASK-ACADEMIC148.81.0.0/16 WAWPOLIP}
	NS	`ns1.vizja.pl` ⭐
	NS	`fns1.42.pl` ⚠️ Not in zone NS records
	NS	`fns2.42.pl` ⚠️ Not in zone NS records
	NS	`ns2.vizja.pl` ⚠️ Not in parent delegation
	NS	`ns3.vizja.pl` ⚠️ Not in parent delegation
	NS	`ns4.vizja.pl` ⚠️ Not in parent delegation
	MX	`mailnull.vizja.pl` ⭐
	MX	`poczta.vizja.pl`⁽¹⁰⁾
	TXT	`google-site-verification=6mpzsoAHZlZWVKfetc6bP3P2e_rXBh7ShmD6f2WQGOA`
	TXT	`MS=14B7F156E8D9589A0B54C2FE8AAD1B9E706F1445`
	TXT	`v=spf1 ip4:148.81.188.192/27 -all`
	TXT	`mojecertpl-site-verification-f53yFC9Q9GYRM4uzDD2z5e9155sSoFEO`
	TXT	`adobe-idp-site-verification=146961a387535356aad312f2d1bac9c4d7757f4df8242bf08...`
	SOA	`ns1.vizja.pl`admin@vizja.pl 2026-04-05 #21

WOT: SAFE (68/100)
rank #220360 globally
rank #1645 in the tld
WOT: SAFE (84/100)
📈 Tranco rank: #270,812

MX for

vizja.pl

Same first word

mailnull.net

mailnull.com

Similar names

nullmail.org

ulinmall.com

nullmail.net

nullmail.de

nullmail.dk

DNS History

1 record (1 active, 0 former)

●A148.81.188.1942015-07-16 → 2026-08-02 · 2 obs

● 2015-07-16 21:54:46
● 2026-08-02 14:09:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	h-dns.pl, d-dns.pl, a-dns.pl, b-dns.pl...	-
vizja.pl	ns1.vizja.pl, fns1.42.pl, fns2.42.pl	4 records

✅ Authoritative Response

Server:51.38.99.90

NS records: ns1.vizja.pl, fns1.42.pl, fns2.42.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vizja.pl (unsigned zone)

⏱️ Timing

Total: 354ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`148.81.188.194`

📌 Glue Records Collected

Total: 4

In-bailiwick: 1 (ns1.vizja.pl)

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

Analysis

Mail Server Role

vizja.pl uses mailnull.vizja.pl as a mail server.

poczta.vizja.pl and mailnull.vizja.pl are commonly paired as mail servers.

IP Addresses

mailnull.vizja.pl resolves to one IP address: 148.81.188.194.

ns1.vizja.pl is an example of another host name that shares IP numbers with mailnull.vizja.pl.

mailnull.vizja.pl - robtex.com