dou48.ru - robtex.com

dou48.ru

DNSSEC⚠️ Not signed
A213.136.85.7🇩🇪 CONTABO213.136.84.0/23
PTRm31607.contaboserver.net
NSa.ns.selectel.ru ⭐
A2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object
PTRa.ns.selectel.ru
NSb.ns.selectel.ru
A2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object
PTRb.ns.selectel.ru
NSc.ns.selectel.ru
A2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object
PTRc.ns.selectel.ru
NSd.ns.selectel.ru
A2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6
A77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object
PTRd.ns.selectel.ru
SOAa.ns.selectel.rusupport@selectel.ru 2026-04-12 #4

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4068630

Subdomains

ns1.dou48.ru

Same first word

dou48.online

Similar names

duo48.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSa.ns.selectel.rub.ns.selectel.ruc.ns.selectel.rud.ns.selectel.runs1.r01.runs1.reg.runs2.r01.runs2.reg.ruA213.136.85.7144.76.78.265.8.33.90
●NSa.ns.selectel.ru2026-04-24 → 2026-04-24 · 2 obs
○ 2017-02-05 18:55:34
● 2026-04-24 11:20:10
●NSb.ns.selectel.ru2026-04-24 → 2026-04-24 · 2 obs
○ 2017-02-05 18:55:34
● 2026-04-24 11:20:10
●NSc.ns.selectel.ru2026-04-24 → 2026-04-24 · 2 obs
○ 2017-02-05 18:55:34
● 2026-04-24 11:20:10
●NSd.ns.selectel.ru2026-04-24 → 2026-04-24 · 2 obs
○ 2017-02-05 18:55:34
● 2026-04-24 11:20:10
○NSns1.r01.ru2015-11-28 → 2016-05-07 · 5 obs
○ 2015-08-05 09:40:12
● 2015-11-28 00:59:12
● 2016-05-07 00:43:16
○ 2017-02-05 18:55:34
○ 2026-04-24 11:20:10
○NSns1.reg.ru2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 09:40:12
○ 2015-11-28 00:59:12
○ 2026-04-24 11:20:10
○NSns2.r01.ru2015-11-28 → 2016-05-07 · 5 obs
○ 2015-08-05 09:40:12
● 2015-11-28 00:59:12
● 2016-05-07 00:43:16
○ 2017-02-05 18:55:34
○ 2026-04-24 11:20:10
○NSns2.reg.ru2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 09:40:12
○ 2015-11-28 00:59:12
○ 2026-04-24 11:20:10
○A144.76.78.262015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 09:40:12
○ 2015-11-28 00:59:12
○ 2026-04-24 11:20:10
●A213.136.85.72026-04-24 → 2026-04-24 · 2 obs
○ 2017-02-05 18:55:34
● 2026-04-24 11:20:10
○A5.8.33.902015-11-28 → 2016-05-07 · 5 obs
○ 2015-08-05 09:40:12
● 2015-11-28 00:59:12
● 2016-05-07 00:43:16
○ 2017-02-05 18:55:34
○ 2026-04-24 11:20:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ruf.dns.ripn.net, e.dns.ripn.net, a.dns.ripn.net, b.dns.ripn.net...-
dou48.rua.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru8 records

✅ Authoritative Response

Server:77.223.114.4

NS records: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru, d.ns.selectel.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dou48.ru (unsigned zone)

⏱️ Timing

Total: 769ms | Queries: -

📄 Records

TypeCountSample Data
A1213.136.85.7
NS4a.ns.selectel.ru, b.ns.selectel.ru...
SOA1a.ns.selectel.ru support.selectel.ru

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru...)

Analysis

Hierarchy

The parent of ns1.dou48.ru is dou48.ru.

IP Addresses

dou48.ru points to a single IP address: 213.136.85.7.

Other host names such as abinsk.filarmoniyatula.ru, petrovsk.fba-tiger.ru, bui.fpsband.ru, gavrilov-yam.ufadrill.ru and egorevsk.city-driving.ru share IPs with dou48.ru.

Name Servers

dou48.ru is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.

dou48.ru at least partially shares name servers with other domains, for example needl.ru, geon.ru, cougar-world.ru, uoustlab.ru and horimuzey.ru.

These name servers are often used together with ns1.baz-on.ru and ns2.baz-on.ru.

Host names with two IP numbers:

a.ns.selectel.ru points to: 2a00:ab00:800::2:53 and 188.68.203.1

b.ns.selectel.ru points to: 2a00:ab00:801::2:53 and 77.223.114.2

c.ns.selectel.ru points to: 2a00:ab00:802::2:53 and 188.68.203.3

d.ns.selectel.ru points to: 2a00:ab00:803::2:53 and 77.223.114.4