isitdown.us - robtex.com
isitdown.us
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=1785361806 | ||||||
Same first word
Similar names
DNS History
18 records (6 active, 12 former)
●NSdns1.alwaysdata.com2015-12-03 → 2026-07-29 · 3 obs
● 2015-12-03 01:18:44
● 2026-07-29 21:59:42
●NSdns2.alwaysdata.com2015-12-03 → 2026-07-29 · 3 obs
● 2015-12-03 01:18:44
● 2026-07-29 21:59:42
○NShank.ns.cloudflare.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○NSjill.ns.cloudflare.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○MXalt1.aspmx.l.google.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○MXalt2.aspmx.l.google.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○MXaspmx.l.google.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○MXaspmx2.googlemail.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○MXaspmx3.googlemail.com2015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
●MXmx1.alwaysdata.com2015-12-03 → 2026-07-29 · 3 obs
● 2015-12-03 01:18:44
● 2026-07-29 21:59:42
●MXmx2.alwaysdata.com2015-12-03 → 2026-07-29 · 3 obs
● 2015-12-03 01:18:44
● 2026-07-29 21:59:42
○A104.28.16.712015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○A104.28.17.712015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○A178.32.28.1142015-12-03 → 2016-06-20 · 5 obs
● 2015-12-03 01:18:44
● 2016-06-20 07:00:08
○ 2026-06-07 02:18:54
○ 2026-07-29 21:59:42
●A185.31.40.202026-06-07 → 2026-07-29 · 3 obs
● 2026-06-07 02:18:54
● 2026-07-29 21:59:42
○A2400:cb00:2048:1::681c:10472015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
○A2400:cb00:2048:1::681c:11472015-07-22 → 2015-07-22 · 3 obs
○ 2015-12-03 01:18:44
○ 2026-07-29 21:59:42
●A2a00:b6e0:1:20:11::12026-06-07 → 2026-07-29 · 3 obs
● 2026-06-07 02:18:54
● 2026-07-29 21:59:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | w.cctld.us, m.cctld.us, b.cctld.us, n.cctld.us... | - |
| isitdown.us | dns1.alwaysdata.com, dns2.alwaysdata.com | - |
✅ Authoritative Response
Server:185.31.43.1
NS records: dns1.alwaysdata.com, dns2.alwaysdata.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isitdown.us (unsigned zone)
⏱️ Timing
Total: 936ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.31.40.20 |
| AAAA | 1 | 2a00:b6e0:1:20:11::1 |
| NS | 2 | dns1.alwaysdata.com, dns2.alwaysdata.com |
| MX | 2 | mx1.alwaysdata.com (pri: 10), mx2.alwaysdata.com (pri: 20) |
| TXT | 2 | v=spf1 include:_spf.alwaysdata.com ~all, bookmyname-site-verification=557d2a01d9f |
| SOA | 1 | dns1.alwaysdata.com hostmaster.alwaysdat |
Analysis
IP Addresses
isitdown.us directs to two IP numbers, 185.31.40.20 and 2a00:b6e0:1:20:11::1
Two other host names, along with lign.in, alternatech.fr and iutmontesquieu.satellys.fr, also share IP numbers with isitdown.us.
Name Servers
The NS records for isitdown.us delegate to dns1.alwaysdata.com and dns2.alwaysdata.com.
isitdown.us shares its NS records with other domains, for example csp-piecko.fr, baby-monsters.org, manatureenmains.fr and two others.
Some of isitdown.us's name servers are also used by other domains, including bahadourian.fr, tournoimauricerevello.com, reglement-jeux.fr and gael-carmont.com.
dns1.alwaysdata.com resolves to 185.31.43.1 and 2a00:b6e0:cdcd::1. Likewise, dns2.alwaysdata.com resolves to 78.142.219.71 and 2a00:b6e0:2:12:1::1 — two IP addresses apiece.
Mail Servers
isitdown.us is served by two mail servers, mx1.alwaysdata.com and mx2.alwaysdata.com.
Among the domains sharing a mail server setup with isitdown.us are kantbus.com, musee-parc-dinosaures.com, fspot.org and two others.
There is at least a partial MX overlap between isitdown.us and other domains, including yoga-creativite.fr, istyl.com, hemera-accompagnement.fr and two others.
simplebo.alwaysdata.net, scopided1.alwaysdata.net, epartenaire.alwaysdata.net and ethersys03s.alwaysdata.net are mail servers that frequently appear together with these mail servers.
mx1.alwaysdata.com resolves to 185.31.40.80 and 2a00:b6e0:1:42:1::1. Likewise, mx2.alwaysdata.com resolves to 78.142.219.80 and 2a00:b6e0:2:42:1::1 — two IP addresses apiece.