prof42.ru - robtex.com

prof42.ru

DNSSEC⚠️ Not signed
A176.123.171.251🇷🇺 RU-JSCIOT176.123.170.0/23
PTRvlan520.dci
NSbars-tm.ru ⭐
A176.123.171.251🇷🇺 RU-JSCIOT176.123.170.0/23
PTRvlan520.dci
NSns1.ispvds.com
A94.250.248.8🇷🇺 RU-JSCIOT94.250.248.0/23
PTRns2.ispvds.com
NSns2.ispvds.com
A2a01:230:2:75::4🇷🇺 RU-JSCIOT2a01:230:2::/48
A94.250.248.8🇷🇺 RU-JSCIOT94.250.248.0/23
PTRns2.ispvds.com
MXmail.prof42.ru(20)
A176.123.171.251🇷🇺 RU-JSCIOT176.123.170.0/23
PTRvlan520.dci
TXTv=spf1 ip4:176.123.171.251 a mx ~all
SOAbars-tm.ruroot@pragmatik.example.com 2025-09-12 #0

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=4068147

Subdomains

mail.prof42.ru

Same first word

prof42.ru

Similar names

24prof.ru

DNS History

19 records (5 active, 14 former)

20162017201820192020202120222023202420252026NSbars-tm.runs1.ispvds.comns2.ispvds.comns.majordomo.runs1.beget.comns1.beget.prons1.beget.runs2.beget.comns2.beget.prons2.beget.runs2.majordomo.runs3.majordomo.ruMXmail.prof42.rumx.prof42.rumx1.beget.rumx2.beget.ruA176.123.171.25187.236.19.15091.106.207.118
●NSbars-tm.ru2026-03-22 → 2026-03-22 · 3 obs
○ 2020-02-10 01:55:44
● 2026-03-22 16:40:16
● 2026-03-22 16:40:18
○NSns.majordomo.ru2015-07-13 → 2016-07-09 · 4 obs
● 2015-07-13 17:58:34
● 2016-07-09 01:13:14
○ 2017-02-16 14:40:44
○ 2026-03-22 16:40:18
○NSns1.beget.com2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
○NSns1.beget.pro2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
○NSns1.beget.ru2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
●NSns1.ispvds.com2026-03-22 → 2026-03-22 · 3 obs
○ 2020-02-10 01:55:44
● 2026-03-22 16:40:16
● 2026-03-22 16:40:18
○NSns2.beget.com2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
○NSns2.beget.pro2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
○NSns2.beget.ru2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
●NSns2.ispvds.com2026-03-22 → 2026-03-22 · 3 obs
○ 2020-02-10 01:55:44
● 2026-03-22 16:40:16
● 2026-03-22 16:40:18
○NSns2.majordomo.ru2015-07-13 → 2016-07-09 · 4 obs
● 2015-07-13 17:58:34
● 2016-07-09 01:13:14
○ 2017-02-16 14:40:44
○ 2026-03-22 16:40:18
○NSns3.majordomo.ru2015-07-13 → 2016-07-09 · 4 obs
● 2015-07-13 17:58:34
● 2016-07-09 01:13:14
○ 2017-02-16 14:40:44
○ 2026-03-22 16:40:18
●MXmail.prof42.ru2026-03-22 → 2026-03-22 · 3 obs
○ 2020-02-10 01:55:44
● 2026-03-22 16:40:16
● 2026-03-22 16:40:18
○MXmx.prof42.ru2015-07-13 → 2016-07-09 · 4 obs
● 2015-07-13 17:58:34
● 2016-07-09 01:13:14
○ 2017-02-16 14:40:44
○ 2026-03-22 16:40:18
○MXmx1.beget.ru2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
○MXmx2.beget.ru2017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
●A176.123.171.2512026-03-22 → 2026-03-22 · 3 obs
○ 2020-02-10 01:55:44
● 2026-03-22 16:40:16
● 2026-03-22 16:40:18
○A87.236.19.1502017-02-16 → 2020-02-10 · 5 obs
○ 2016-07-09 01:13:14
● 2017-02-16 14:40:44
● 2020-02-10 01:55:44
○ 2026-03-22 16:40:16
○ 2026-03-22 16:40:18
○A91.106.207.1182015-07-13 → 2016-07-09 · 4 obs
● 2015-07-13 17:58:34
● 2016-07-09 01:13:14
○ 2017-02-16 14:40:44
○ 2026-03-22 16:40:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...-
prof42.runs1.ispvds.com, ns2.ispvds.com-

✅ Authoritative Response

Server: 94.250.248.8

NS records: ns1.ispvds.com, ns2.ispvds.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for prof42.ru (unsigned zone)

⏱️ Timing

Total: 1159ms | Queries: -

📄 Records

TypeCountSample Data
A1176.123.171.251
NS2ns2.ispvds.com, ns1.ispvds.com
MX2mail.prof42.ru (pri: 20), mail.prof42.ru (pri: 10)
TXT1v=spf1 ip4:176.123.171.251 a mx ~all
SOA1bars-tm.ru root.pragmatik.example.com

Analysis

Hierarchy

prof42.ru is the parent of mail.prof42.ru.

IP Addresses

prof42.ru resolves to one IP number: 176.123.171.251.

other host names including dialog-gym.ru, mail.srvsoft.ru, mail.dialog-gym.ru, mail.bars-tm.ru and mail.prof42.ru share IP numbers with prof42.ru.

Name Servers

prof42.ru is delegated to three name servers bars-tm.ru, ns1.ispvds.com and ns2.ispvds.com.

prof42.ru at least partially shares name servers with other domains, for instance smart-m.su, k-part.com, houses.ru, myautosport.ru and xn--80aqflctfc.xn--p1ai.

These name servers are commonly used alongside ispvds.com, ns1.delo.host, ns2.delo.host, srv-301.delo.host, ns1.delohost.ru and ns2.delohost.ru.

Hosts with two IPs:

ns2.ispvds.com points to 2a01:230:2:75::4 and 94.250.248.8.

Hosts with one IP:

bars-tm.ru points to 176.123.171.251.

ns1.ispvds.com points to 94.250.248.8.

Hosts pointing to 94.250.248.8: ns2.ispvds.com and ns1.ispvds.com.

Mail Servers

prof42.ru is handled by a single mail server, mail.prof42.ru.

mail.prof42.ru resolves to IP 176.123.171.251.