xu520.com - robtex.com
xu520.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 2026-03-20 #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=1774378472 | ||||||
Subdomains
www.xu520.com |
Same first word
xu520.com |
Similar names
DNS History
16 records (3 active, 13 former)
○NSdns1.99to.com2008-03-07 → 2008-03-07 · 3 obs
○ 2015-04-28 08:59:34
○ 2026-03-24 19:05:32
○NSdns10.hichina.com2016-09-25 → 2017-04-10 · 5 obs
● 2016-09-25 12:14:30
● 2017-04-10 01:50:42
○ 2026-02-24 18:43:44
○ 2026-03-24 19:05:32
○NSdns19.hichina.com2015-04-28 → 2015-10-08 · 5 obs
● 2015-04-28 08:59:34
● 2015-10-08 17:22:26
○ 2016-01-14 02:42:54
○ 2026-03-24 19:05:32
○NSdns2.99to.com2008-03-07 → 2008-03-07 · 3 obs
○ 2015-04-28 08:59:34
○ 2026-03-24 19:05:32
○NSdns20.hichina.com2015-04-28 → 2015-10-08 · 5 obs
● 2015-04-28 08:59:34
● 2015-10-08 17:22:26
○ 2016-01-14 02:42:54
○ 2026-03-24 19:05:32
○NSdns9.hichina.com2016-09-25 → 2017-04-10 · 5 obs
● 2016-09-25 12:14:30
● 2017-04-10 01:50:42
○ 2026-02-24 18:43:44
○ 2026-03-24 19:05:32
●NSns3.expirationwarning.net2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 19:05:30
● 2026-03-24 19:05:32
●NSns7.expirationwarning.net2026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 19:05:30
● 2026-03-24 19:05:32
○NSpark.i-now.cn2026-02-24 → 2026-03-11 · 5 obs
● 2026-02-24 18:43:44
● 2026-03-11 11:29:06
○ 2026-03-24 19:05:30
○ 2026-03-24 19:05:32
○NSpark.i-now.com2026-02-24 → 2026-03-11 · 5 obs
● 2026-02-24 18:43:44
● 2026-03-11 11:29:06
○ 2026-03-24 19:05:30
○ 2026-03-24 19:05:32
○A154.208.238.1022026-02-24 → 2026-03-24 · 2 obs
○ 2026-03-24 19:05:32
○A210.51.4.512008-03-07 → 2008-03-07 · 3 obs
○ 2015-04-28 08:59:34
○ 2026-03-24 19:05:32
○A47.90.164.2462026-02-24 → 2026-02-24 · 4 obs
● 2026-02-24 18:43:44
○ 2026-03-11 11:29:06
○ 2026-03-24 19:05:32
●A51.161.21.12026-03-24 → 2026-03-24 · 3 obs
● 2026-03-24 19:05:30
● 2026-03-24 19:05:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net... | - |
| xu520.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 xu520.com (unsigned zone)
⏱️ Timing
Total: 765ms | 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
Hierarchy
xu520.com is the parent of www.xu520.com.
IP Addresses
xu520.com points to IP number 51.161.21.1.
For instance, other host names campingpropriano.com, youneaty.com, haodajd.com, sh-wei.com and todaslasia.com share IP numbers with xu520.com.
Name Servers
xu520.com is delegated to two name servers: ns3.expirationwarning.net and ns7.expirationwarning.net.
xu520.com uses the same name server setup as other domains such as workingatsea.com, mernicleholsters.com, 0813123.com, weiyiboduchang.cq.afbtc.com and playbookapp.com.
xu520.com shares name servers with other domains at least partially, for example northeasternemail.com.
Host names with one IP number:
ns3.expirationwarning.net points to: 51.161.21.1.
ns7.expirationwarning.net points to: 51.195.17.68.