540821.com - robtex.com
540821.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns3.expirationwarning.net ⭐ | ||||||
| A | 51.161.21.1🇨🇦 OVH51.161.0.0/17 Hosting route | ||||||
| PTR | ns3.expirationwarning.net | ||||||
| NS | ns7.expirationwarning.net | ||||||
| A | 51.195.17.68🇫🇷 OVH51.195.0.0/16 | ||||||
| PTR | ns7.expirationwarning.net | ||||||
| SOA | ns3.expirationwarning.nethostmaster@expirationwarning.net 2026-08-03 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785799002 | ||||||
Same first word
540821.com |
Similar names
DNS History
12 records (3 active, 9 former)
○NSa.share-dns.com2026-07-05 → 2026-07-05 · 3 obs
● 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○NSa6.share-dns.com2026-07-05 → 2026-07-05 · 3 obs
● 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○NSb.share-dns.net2026-07-05 → 2026-07-05 · 3 obs
● 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○NSb6.share-dns.net2026-07-05 → 2026-07-05 · 3 obs
● 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○NSf1g1ns1.dnspod.net2016-12-19 → 2017-12-18 · 4 obs
● 2017-12-18 11:59:54
○ 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○NSf1g1ns2.dnspod.net2016-12-19 → 2017-12-18 · 4 obs
● 2017-12-18 11:59:54
○ 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
●NSns3.expirationwarning.net2026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 23:38:02
●NSns7.expirationwarning.net2026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 23:38:02
●A51.161.21.12026-08-03 → 2026-08-03 · 2 obs
● 2026-08-03 23:38:02
○A52.78.153.2082016-12-19 → 2016-12-19 · 3 obs
○ 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○CNAME05c37.whg7.com2016-12-19 → 2017-12-18 · 4 obs
● 2017-12-18 11:59:54
○ 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
○CNAMEz9t6rjga.139hao.com2026-07-05 → 2026-07-05 · 3 obs
● 2026-07-05 00:56:02
○ 2026-08-03 23:38:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 540821.com | ns3.expirationwarning.net, ns7.expirationwarning.net | - |
✅ Authoritative Response
Server:51.161.21.1
NS records: ns3.expirationwarning.net, ns7.expirationwarning.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 540821.com (unsigned zone)
⏱️ Timing
Total: 232ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.195.17.68 |
| NS | 2 | ns3.expirationwarning.net, ns7.expirationwarning.net |
| SOA | 1 | ns3.expirationwarning.net hostmaster.exp |
Analysis
IP Addresses
540821.com points to a single IP number: 51.161.21.1.
Additional host names — bloodfields.net, comosun.com, www.xueyuzangyao.com and two others — share IP numbers with 540821.com.
Name Servers
Two name servers handle the delegation for 540821.com: ns3.expirationwarning.net and ns7.expirationwarning.net.
540821.com shares its name server setup with other domains, including ww2.peekstats.com, usedtireshops.com, fleetgas.com and two others.
At least some of 540821.com's name servers are shared with other domains, for example iinchina.net and carla.cg-models.net.
Each of ns3.expirationwarning.net and ns7.expirationwarning.net has one IP address: ns3.expirationwarning.net uses 51.161.21.1 and ns7.expirationwarning.net uses 51.195.17.68.