`sql2.web4u.cz`

DNSSEC	⚠️ Not signed
A	81.91.87.52^{🇨🇿 WEB4U81.91.80.0/21}
		PTR	`sql2.web4u.cz`

`web4u.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	2001:1568::19^{🇨🇿 WEB4U2001:1568::/33}
	A	81.91.86.19^{🇨🇿 WEB4U81.91.80.0/21}
	NS	`ns2.web4u.cz` ⭐
	NS	`ns.web4u.cz`
	MX	`mx.web4u.cz` ⭐
	TXT	`smv=9d9c9b062c03b840`
	TXT	`MS=0394720CC11BB6E64FFED5064A40D0401C20807E`
	TXT	`zoho-verification=zb27107936.zmverify.zoho.eu`
	TXT	`v=spf1 ip4:81.91.87.150 ip4:81.91.87.80 ip4:81.91.87.60 ip4:81.91.87.250 ip4:...`
	SOA	`ns.web4u.cz`admin@web4u.cz 2026-05-12 #0

WOT: SAFE (64/100)
rank #76828 globally
rank #265 in the tld
WOT: SAFE (73/100)
📈 Tranco rank: #22,981

PTR for

52.87.91.81.in-addr.arpa

Same first word

sql2.com

Similar names

ql2s.com

s2lq.com

2sql.ru

2sql.com

2sql.de

qsl2.com

DNS History

1 record (1 active, 0 former)

●A81.91.87.522009-01-14 → 2026-05-15 · 2 obs

● 2009-01-14 16:53:20
● 2026-05-15 02:41:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz	-
web4u.cz	ns.web4u.cz, ns2.web4u.cz	4 records

✅ Authoritative Response

Server:185.14.224.241

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.87.52`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)

Analysis

IP Addresses

sql2.web4u.cz points to an IP address: 81.91.87.52.

other host names include sql2.abrako.cz, sql2.atas.cz, sql2.lesto.cz, sql2.neza.eu and sql2.year2100.eu; they share IP numbers with sql2.web4u.cz.

sql2.web4u.cz - robtex.com

sql2.web4u.cz

web4u.cz