expansys.us - robtex.com
expansys.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | udns1.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2001:502:f3ff::d🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| A | 204.69.234.1🇺🇸 MAINT-ID-12008204.69.234.0/24 Neustar | ||||||
| PTR | udns1.ultradns.net | ||||||
| NS | udns2.ultradns.net ⚠️ Not in zone NS records | ||||||
| A | 2610:a1:1014::d🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
| A | 204.74.101.1🇺🇸 MAINT-ID-12008204.74.101.0/24 Neustar | ||||||
| PTR | udns2.ultradns.net | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1785167738 | ||||||
Same first word
Similar names
expassny.com |
synap(0x736578).co |
xsynapse.com |
(0x736578)ysnap.com |
synap(0x736578).com |
snap(0x736578)y.fr |
snapy(0x736578).com |
xsynapse.co.kr |
snap(0x736578)y.com |
synap(0x736578).life |
DNS History
11 records (2 active, 9 former)
○NSpdns1.ultradns.net2015-06-19 → 2017-03-24 · 4 obs
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
○NSpdns2.ultradns.net2015-06-19 → 2017-03-24 · 4 obs
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
○NSpdns3.ultradns.org2015-06-19 → 2017-03-24 · 4 obs
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
○NSpdns4.ultradns.org2015-06-19 → 2017-03-24 · 4 obs
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
○NSpdns5.ultradns.info2015-06-19 → 2017-03-24 · 4 obs
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
○NSpdns6.ultradns.co.uk2015-06-19 → 2017-03-24 · 4 obs
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
●NSudns1.ultradns.net2026-06-04 → 2026-07-27 · 3 obs
● 2026-06-04 08:30:04
● 2026-07-27 16:27:16
●NSudns2.ultradns.net2026-06-04 → 2026-07-27 · 3 obs
● 2026-06-04 08:30:04
● 2026-07-27 16:27:16
○MXcluster3.eu.messagelabs.com2015-06-19 → 2016-01-22 · 4 obs
● 2016-01-22 08:10:20
○ 2016-04-30 01:34:44
○ 2026-07-27 16:27:16
○MXcluster3a.eu.messagelabs.com2015-06-19 → 2016-01-22 · 4 obs
● 2016-01-22 08:10:20
○ 2016-04-30 01:34:44
○ 2026-07-27 16:27:16
○MXexpansys-us.mail.protection.outlook.com2016-04-30 → 2017-03-24 · 5 obs
● 2016-04-30 01:34:44
● 2017-03-24 18:08:44
○ 2026-06-04 08:30:04
○ 2026-07-27 16:27:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | w.cctld.us, f.cctld.us, m.cctld.us, k.cctld.us... | - |
| expansys.us | udns2.ultradns.net, udns1.ultradns.net | - |
✅ Authoritative Response
Server:204.69.234.1
NS records: udns2.ultradns.net, udns1.ultradns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expansys.us (unsigned zone)
⏱️ Timing
Total: 145ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
The NS records for expansys.us delegate to udns1.ultradns.net and udns2.ultradns.net.
expansys.us has the same name server delegation as a number of other domains, such as launchpointhome.com, tecoaccouny.com, hefam.com and two more.
expansys.us has at least partial name server overlap with other domains, such as harleydavidson.com.pl, 888.tv, silvertab.com and two others.
pdns5.ultradns.info, pdns1.ultradns.net and pdns2.ultradns.net — plus 5 other name servers — are commonly paired with these name servers.
udns1.ultradns.net resolves to 204.69.234.1 and 2001:502:f3ff::d. Likewise, udns2.ultradns.net resolves to 204.74.101.1 and 2610:a1:1014::d — two IP addresses apiece.