web-01 - robtex.com

πŸ›‘οΈDomain Reputation CheckBlocklist, phishing & malware statusβ†’

web-01

DNSSECπŸ”’ Signed (DS record present)
A127.0.53.53
NSac1.nstld.com ⭐
A2001:500:120::30πŸ‡ΊπŸ‡Έ VERISIGN-AS2001:500:120::/48 Verisign Route
PTRac1.nstld.com
A192.42.173.30πŸ‡ΊπŸ‡Έ VERISIGN-AS192.42.173.0/24 Verisign Route
PTRac1.nstld.com
NSac2.nstld.com
A2001:500:121::30πŸ‡ΊπŸ‡Έ VERISIGN-AS2001:500:121::/48 Verisign Route
PTRac2.nstld.com
A192.42.174.30πŸ‡ΊπŸ‡Έ VERISIGN-AS192.42.174.0/24 Verisign Route
PTRac2.nstld.com
NSac3.nstld.com
A2001:500:122::30πŸ‡ΊπŸ‡Έ VERISIGN-AS2001:500:122::/48 Verisign Route
PTRac3.nstld.com
A192.42.175.30πŸ‡ΊπŸ‡Έ VERISIGN-AS192.42.175.0/24 Verisign Route
PTRac3.nstld.com
NSac4.nstld.com
A2001:500:123::30πŸ‡ΊπŸ‡Έ VERISIGN-AS2001:500:123::/48 Verisign Route
PTRac4.nstld.com
A192.42.176.30πŸ‡ΊπŸ‡Έ VERISIGN-AS192.42.176.0/24 Verisign Route
PTRac4.nstld.com
MXyour-dns-needs-immediate-attention.web ⭐
A127.0.53.53
TXTYour DNS configuration needs immediate attention see https://icann.org/nameco...
SOAac1.nstld.cominfo@verisign-grs.com serial=1786822666

(root)

DNSSECπŸ”’ Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-08-15 #1

PTR for

NS for

Previously NS for

MX for

Previously MX for

Subdomains

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSac1.nstld.comac2.nstld.comac3.nstld.comac4.nstld.comMXyour-dns-needs-immediate-attention.webA127.0.53.53
●NSac1.nstld.com2026-07-23 β†’ 2026-08-15 Β· 2 obs
● 2026-07-23 07:16:56
● 2026-08-15 20:03:54
●NSac2.nstld.com2026-07-23 β†’ 2026-08-15 Β· 2 obs
● 2026-07-23 07:16:56
● 2026-08-15 20:03:54
●NSac3.nstld.com2026-07-23 β†’ 2026-08-15 Β· 2 obs
● 2026-07-23 07:16:56
● 2026-08-15 20:03:54
●NSac4.nstld.com2026-07-23 β†’ 2026-08-15 Β· 2 obs
● 2026-07-23 07:16:56
● 2026-08-15 20:03:54
●MXyour-dns-needs-immediate-attention.web2026-07-23 β†’ 2026-08-15 Β· 2 obs
● 2026-07-23 07:16:56
● 2026-08-15 20:03:54
●A127.0.53.532026-07-23 β†’ 2026-08-15 Β· 2 obs
● 2026-07-23 07:16:56
● 2026-08-15 20:03:54

πŸ” DNS Trace

βœ… Authoritative Response

Server:170.247.170.2

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 344ms | Queries: -

πŸ“„ Records

TypeCountSample Data

Analysis

Hierarchy

web-01 is the parent domain of rsnok.web, null.web, risky.web, elixr.web, your-dns-needs-immediate-attention.web and a few other host names.

Name Server Role

web-01 acts as an authoritative name server for txt.tw, svenbox.infocity.pl, iop.com.tw, komarines.kr, mail.cscc.com.cn and several other domains.

web-01 is commonly paired with web, ns.infocity.pl and ns2.infocity.pl to act as name servers.

Mail Server Role

web.uprav.ru uses web-01 as a mail server.

web is a mail server commonly deployed alongside web-01.

IP Addresses

web-01 resolves to one IP address: 127.0.53.53.

ble.web, my.anf.corp.com, trip.merck and two other host names share IP numbers with web-01.

Name Servers

The authoritative name servers for web-01 are ac1.nstld.com, ac2.nstld.com, ac3.nstld.com and ac4.nstld.com.

web-01 shares at least some of its name servers with other domains, including www.everstartjumpstarters.co.cc, www1.personal-guard61.co.cc, verisign and two others.

The host names ac1.nstld.com, ac2.nstld.com, ac3.nstld.com and ac4.nstld.com each resolve to two IP addresses: ac1.nstld.com resolves to 192.42.173.30 and 2001:500:120::30; ac2.nstld.com resolves to 192.42.174.30 and 2001:500:121::30; ac3.nstld.com resolves to 192.42.175.30 and 2001:500:122::30; ac4.nstld.com resolves to 192.42.176.30 and 2001:500:123::30.

Mail Servers

Mail for web-01 is handled by a single mail server, your-dns-needs-immediate-attention.web.

web-01 uses an identical mail server configuration to several other domains β€” among them isr.web, com.web, h5.rsnok.web and two more.

your-dns-needs-immediate-attention.web carries a single IP number, which is 127.0.53.53.