sergey.us - robtex.com
sergey.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | pdns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::100🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| A | 156.154.132.100🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| NS | pdns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::100🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| A | 156.154.133.100🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| MX | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| TXT | v=spf1 redirect=_spf.mail.ru | ||||||
| SOA | pdns1.registrar-servers.comhostmaster@registrar-servers.com serial=1757270467 | ||||||
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=1773555288 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSdns1.registrar-servers.com2015-06-24 → 2016-09-20 · 4 obs
● 2016-09-20 02:42:44
○ 2026-03-10 11:16:14
○ 2026-03-23 07:26:22
○NSdns2.registrar-servers.com2015-11-03 → 2016-09-20 · 5 obs
● 2015-11-03 04:52:20
● 2016-09-20 02:42:44
○ 2026-03-10 11:16:14
○ 2026-03-23 07:26:22
○NSdns3.registrar-servers.com2015-11-03 → 2016-09-20 · 5 obs
● 2015-11-03 04:52:20
● 2016-09-20 02:42:44
○ 2026-03-10 11:16:14
○ 2026-03-23 07:26:22
○NSdns4.registrar-servers.com2015-11-03 → 2016-09-20 · 5 obs
● 2015-11-03 04:52:20
● 2016-09-20 02:42:44
○ 2026-03-10 11:16:14
○ 2026-03-23 07:26:22
○NSdns5.registrar-servers.com2015-11-03 → 2016-09-20 · 5 obs
● 2015-11-03 04:52:20
● 2016-09-20 02:42:44
○ 2026-03-10 11:16:14
○ 2026-03-23 07:26:22
●NSpdns1.registrar-servers.com2026-03-10 → 2026-03-23 · 3 obs
● 2026-03-10 11:16:14
● 2026-03-23 07:26:22
●NSpdns2.registrar-servers.com2026-03-10 → 2026-03-23 · 3 obs
● 2026-03-10 11:16:14
● 2026-03-23 07:26:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| sergey.us | pdns1.registrar-servers.com, pdns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.100
NS records: pdns1.registrar-servers.com, pdns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sergey.us (unsigned zone)
⏱️ Timing
Total: 535ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | pdns1.registrar-servers.com, pdns2.registrar-servers.com |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.mail.ru |
| SOA | 1 | pdns1.registrar-servers.com hostmaster.r |
Analysis
Name Servers
sergey.us has two name servers: pdns1.registrar-servers.com and pdns2.registrar-servers.com.
sergey.us shares the same name server setup as other domains, for example revolveai.com, mermama.org, abluntstop.com, heventin.com and huupa.coffee.
sergey.us shares name servers with other domains to some extent, for example servimetal.com and icekingapp.com.
Host names with two IP numbers:
pdns1.registrar-servers.com points to: 2610:a1:1024::100 and 156.154.132.100; pdns2.registrar-servers.com points to: 2610:a1:1025::100 and 156.154.133.100.
Mail Servers
sergey.us is handled by a single mail server, emx.mail.ru.
sergey.us shares the mail server setup with other domains, for example kubten.ru, shagabutdinov.ru, avcn.kz, legart.ru and vollmer-handel.de.
sergey.us shares some mail servers with other domains, at least partially; for instance vimens.ru, maifon.ru, forda.ru, v-t.by and anglius.ru.
emx.mail.ru resolves to two IPs: 94.100.180.180 and 217.69.139.180.