`u310.linux.pl`

DNSSEC	⚠️ Not signed
A	77.55.252.142^{🇵🇱 NETARTGROUP77.55.252.0/23}
		PTR	`u310.linux.pl`

`linux.pl`

	DNSSEC	⚠️ Not signed
	A	77.55.252.129^{🇵🇱 NETARTGROUP77.55.252.0/23}
	NS	`dns1.linux.pl` ⭐
	NS	`dns2.linux.pl`
	NS	`dns3.linux.pl` ⚠️ Not in parent delegation
	MX	`mail.linux.pl` ⭐
	TXT	`v=spf1 a mx ip4:77.55.252.129 ip4:157.90.174.113 ip4:159.69.177.87 ip6:2a01:4...`
	TXT	`cpaas9218106.nazwa.pl`
	TXT	`onet-domain-verification=0b51db550a578b4fd6b2d5916c401642bc636aa01fd7eb7f59a4...`
	TXT	`google-site-verification=sNu_PuHido32AEs3UhxO7st0e83iymB0WTPhq0hgUWE`
	TXT	`onet-domain-verification=7d953ad491cd29d890a37daf58d19b27784c24bd0a89e66e4daa...`
	SOA	`dns1.linux.pl`root@linux.pl 2026-03-16 #7

WOT: SAFE (91/100)
rank #260744 globally
rank #1714 in the tld
WOT: SAFE (91/100)
📈 Tranco rank: #50,397

PTR for

142.252.55.77.in-addr.arpa

Same first word

u310.com

Similar names

013u.com

u103.cn

u301.com

u103.com

DNS History

1 record (1 active, 0 former)

●A77.55.252.1422026-03-09 → 2026-03-29 · 2 obs

● 2026-03-09 01:34:44
● 2026-03-29 06:25:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	d-dns.pl, j-dns.pl, h-dns.pl, b-dns.pl...	-
linux.pl	dns1.linux.pl, dns2.linux.pl	4 records

✅ Authoritative Response

Server:77.55.252.128

NS records: dns1.linux.pl, dns2.linux.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux.pl (unsigned zone)

⏱️ Timing

Total: 729ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.55.252.142`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (dns1.linux.pl, dns1.linux.pl, dns2.linux.pl...)

Analysis

IP Addresses

u310.linux.pl points to a single IP number: 77.55.252.142.

other host names for instance obot.pl, poloniawholandii.com, mail.alstal.net, mail.ezlider.com and ekobit.com.pl share IP numbers with u310.linux.pl.

u310.linux.pl - robtex.com

u310.linux.pl

linux.pl