403.su - robtex.com
403.su
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650209034 | ||||||
Same first word
Similar names
DNS History
13 records (3 active, 10 former)
○NSns1.q11.ru2015-06-07 → 2017-06-23 · 4 obs
● 2017-06-23 15:47:58
○ 2021-01-18 11:52:58
○ 2026-05-09 07:25:04
●NSns1.reg.ru2021-07-04 → 2026-05-09 · 3 obs
● 2021-07-04 00:37:36
● 2026-05-09 07:25:04
○NSns1.sellimage.org2021-01-18 → 2021-01-18 · 4 obs
● 2021-01-18 11:52:58
○ 2021-07-04 00:37:36
○ 2026-05-09 07:25:04
○NSns2.q11.ru2015-06-07 → 2017-06-23 · 4 obs
● 2017-06-23 15:47:58
○ 2021-01-18 11:52:58
○ 2026-05-09 07:25:04
●NSns2.reg.ru2021-07-04 → 2026-05-09 · 3 obs
● 2021-07-04 00:37:36
● 2026-05-09 07:25:04
○NSns2.sellimage.org2021-01-18 → 2021-01-18 · 4 obs
● 2021-01-18 11:52:58
○ 2021-07-04 00:37:36
○ 2026-05-09 07:25:04
○NSvds.sellimage.org2021-01-18 → 2021-01-18 · 4 obs
● 2021-01-18 11:52:58
○ 2021-07-04 00:37:36
○ 2026-05-09 07:25:04
○MXmail.403.su2021-01-18 → 2021-01-18 · 3 obs
○ 2021-07-04 00:37:36
○ 2026-05-09 07:25:04
●MXmx.yandex.net2026-03-01 → 2026-05-09 · 3 obs
● 2026-03-01 14:38:04
● 2026-05-09 07:25:04
○A188.120.248.1302015-06-07 → 2016-01-26 · 4 obs
● 2016-01-26 09:19:18
○ 2016-07-22 05:41:46
○ 2026-05-09 07:25:04
○A192.102.6.732021-01-18 → 2021-01-18 · 4 obs
● 2021-01-18 11:52:58
○ 2021-07-04 00:37:36
○ 2026-05-09 07:25:04
○A193.124.118.1302016-07-22 → 2017-06-23 · 5 obs
● 2016-07-22 05:41:46
● 2017-06-23 15:47:58
○ 2021-01-18 11:52:58
○ 2026-05-09 07:25:04
○A62.109.8.162021-07-04 → 2021-07-04 · 4 obs
● 2021-07-04 00:37:36
○ 2026-03-01 14:38:04
○ 2026-05-09 07:25:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| 403.su | ns2.reg.ru, ns1.reg.ru | - |
✅ Authoritative Response
Server:176.99.13.12
NS records: ns2.reg.ru, ns1.reg.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 403.su (unsigned zone)
⏱️ Timing
Total: 1100ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.reg.ru, ns2.reg.ru |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 2 | v=spf1 redirect=_spf.yandex.net, yandex-verification: 853f2dc4657b2706 |
| SOA | 1 | ns1.reg.ru hostmaster.ns1.reg.ru |
Analysis
Name Servers
403.su is delegated to two name servers: ns1.reg.ru and ns2.reg.ru.
403.su uses the same name server setup as other domains, for instance zeps.ru, mos-kurs.ru, 360151.ru, icewall.ru and yousmile.ru.
403.su partially shares name servers with other domains, for instance chtot.ru.
Host names with ten IP numbers:
ns1.reg.ru points to: 2a00:f940:9::1:1, 2a00:f940:9::2:1, 176.99.13.11, 176.99.13.13, 176.99.13.15, 176.99.13.17, 194.58.117.11, 194.58.117.13, 194.58.117.15 and 194.58.117.17.
ns2.reg.ru points to: 2a00:f940:9::1:2, 2a00:f940:9::2:2, 176.99.13.12, 176.99.13.14, 176.99.13.16, 176.99.13.18, 194.58.117.12, 194.58.117.14, 194.58.117.16 and 194.58.117.18.
Mail Servers
The mail server for 403.su is mx.yandex.net.
403.su shares the same mail server setup as other domains, including sbm-mega.ru, bakumediacenter.az, nesterof.com, armobit-opt.ru and erbakaravan.com.tr.
403.su shares some mail servers with other domains, including dev-hub.ru, xn--80aal4aj.xn--p1ai and mcgh.ru.
Host name mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.