arcsin.us - dns.ninja
arcsin.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=1785474513 | ||||||
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSns1.timeweb.ru2015-08-16 → 2026-07-31 · 2 obs
● 2026-07-31 05:14:08
●NSns2.timeweb.ru2015-08-16 → 2026-07-31 · 2 obs
● 2026-07-31 05:14:08
●NSns3.timeweb.org2015-08-16 → 2026-07-31 · 2 obs
● 2026-07-31 05:14:08
●NSns4.timeweb.org2015-08-16 → 2026-07-31 · 2 obs
● 2026-07-31 05:14:08
○MXmx1.timeweb.ru2015-08-16 → 2017-04-10 · 4 obs
● 2017-04-10 16:34:20
○ 2026-04-13 17:25:02
○ 2026-07-31 05:14:08
○MXmx2.timeweb.ru2015-08-16 → 2017-04-10 · 4 obs
● 2017-04-10 16:34:20
○ 2026-04-13 17:25:02
○ 2026-07-31 05:14:08
●MXsmtp.google.com2026-04-13 → 2026-07-31 · 3 obs
● 2026-04-13 17:25:02
● 2026-07-31 05:14:08
○A198.202.211.12026-04-13 → 2026-04-30 · 5 obs
● 2026-04-13 17:25:02
● 2026-04-30 10:11:00
○ 2026-06-01 16:38:48
○ 2026-07-31 05:14:08
○A2a03:6f00:1::5c35:72032015-08-16 → 2017-04-10 · 4 obs
● 2017-04-10 16:34:20
○ 2026-04-13 17:25:02
○ 2026-07-31 05:14:08
●A81.26.183.2442026-06-01 → 2026-07-31 · 3 obs
● 2026-06-01 16:38:48
● 2026-07-31 05:14:08
○A92.53.114.32015-08-16 → 2017-04-10 · 4 obs
● 2017-04-10 16:34:20
○ 2026-04-13 17:25:02
○ 2026-07-31 05:14:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| arcsin.us | ns4.timeweb.org, ns3.timeweb.org, ns1.timeweb.ru, ns2.timeweb.ru | - |
✅ Authoritative Response
Server:85.193.93.85
NS records: ns4.timeweb.org, ns3.timeweb.org, ns1.timeweb.ru, ns2.timeweb.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for arcsin.us (unsigned zone)
⏱️ Timing
Total: 682ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.26.183.244 |
| NS | 4 | ns2.timeweb.ru, ns4.timeweb.org... |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 3 | MS=ms98823730, google-site-verification=TUr9hy8SbRdrDSL... |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
Analysis
IP Addresses
arcsin.us points to a single IP number: 81.26.183.244.
Among the host names that share IP numbers with arcsin.us is arcsinus.ru, as one example.
Name Servers
arcsin.us has four authoritative name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
There is at least partial name server overlap between arcsin.us and other domains — amxcs.ru, gidrodor.ru, mavrikyi.ru and two more among them.
These name servers frequently co-occur with the name servers ns3.timeweb.ru and ns4.timeweb.ru.
All four hostnames — ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru — resolve to two IP numbers apiece: ns3.timeweb.org to 217.78.234.130 and 2a03:6f07:4::2; ns4.timeweb.org to 139.45.249.139 and 2a00:65e0:6:5:232a::2; ns1.timeweb.ru to 85.193.93.93 and 2a03:6f04:dead:bee::1; ns2.timeweb.ru to 85.193.93.85 and 2a03:6f04:dead:bee::2.
Mail Servers
arcsin.us has one mail server: smtp.google.com.
arcsin.us shares the same mail server setup as other domains, including eaclub.com, trellisgroup.co, patmad.org and two others.
arcsin.us shares mail servers — at least in part — with other domains, including nervemed.com.br, leapforjoy.org, safework.com.au and two others.
smtp.google.com points to 9 IP numbers: 142.251.163.26, 142.251.163.27, 142.251.167.26 and 6 other.