tutknow.ru - robtex.com

tutknow.ru

DNSSEC⚠️ Not signed
A178.208.84.150🇳🇱 IRONHOST178.208.84.0/24
PTR150.84.208.178.in-addr.arpa
NSns1.mchost.ru ⭐
A2a03:c980:e5:11:46:254:16:213🇷🇺 EUROBYTE2a03:c980:e5::/48
PTRns1.mchost.ru
A46.254.16.213🇷🇺 EUROBYTE46.254.16.0/23
PTRns1.mchost.ru
NSns2.mchost.ru
A2a03:80c0:1:777:178:208:71:71🇷🇺 EUROBYTE2a03:80c0:1::/48
A178.208.71.71🇷🇺 EUROBYTE178.208.71.0/24
PTRns-datahouse1.mchost.ru
NSns3.mchost.ru
A37.143.13.162🇷🇺 EUROBYTE37.143.12.0/23
PTRns2.mchost.ru
NSns4.mchost.ru
A2a03:c980:db:20:95:183:12:22🇷🇺 EUROBYTE2a03:c980:db::/48
PTRns4.mchost.ru
A95.183.12.22🇷🇺 EUROBYTE95.183.12.0/24
PTRns4.mchost.ru
MXmx1.tutknow.ru ⭐
A178.208.83.104🇳🇱 IRONHOST178.208.83.0/24
PTR1.smtp-in.mail1.mchost.ru
MXmx2.tutknow.ru ⭐
A178.208.83.105🇳🇱 IRONHOST178.208.83.0/24
PTR2.smtp-in.mail1.mchost.ru
TXTv=spf1 a mx ip4:178.208.83.99 ip4:178.208.83.113 ip4:178.208.83.114 ~all
TXTgoogle-site-verification=gVizPOhNPj2z91IKBZIKzxGoFiLVQoEzoBhlxOfZ-QA
SOAns1.mchost.ruinfo@mchost.ru serial=1774384322

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=4068610
rank #462836 globally
rank #15509 in the tld
WOT: SAFE (68/100)
📈 Tranco rank: #895,370

Subdomains

mx1.tutknow.ru
www.tutknow.ru
mx2.tutknow.ru

Same first word

tutknow.ru

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSns1.mchost.runs2.mchost.runs3.mchost.runs4.mchost.rueric.ns.cloudflare.comvera.ns.cloudflare.comMXmx1.tutknow.rumx2.tutknow.ruA178.208.84.150104.25.130.12104.25.131.12109.234.32.254178.208.83.112400:cb00:2048:1::6819:820c2400:cb00:2048:1::6819:830c
○NSeric.ns.cloudflare.com2016-04-04 → 2017-02-13 · 5 obs
○ 2016-01-17 17:17:10
● 2016-04-04 15:35:00
● 2017-02-13 03:10:18
○ 2026-02-25 02:20:18
○ 2026-04-22 19:29:12
●NSns1.mchost.ru2015-06-16 → 2026-04-22 · 6 obs
● 2015-06-16 05:47:12
● 2016-01-17 17:17:10
○ 2016-04-04 15:35:00
○ 2017-02-13 03:10:18
● 2026-02-25 02:20:18
● 2026-04-22 19:29:12
●NSns2.mchost.ru2015-06-16 → 2026-04-22 · 6 obs
● 2015-06-16 05:47:12
● 2016-01-17 17:17:10
○ 2016-04-04 15:35:00
○ 2017-02-13 03:10:18
● 2026-02-25 02:20:18
● 2026-04-22 19:29:12
●NSns3.mchost.ru2015-06-16 → 2026-04-22 · 6 obs
● 2015-06-16 05:47:12
● 2016-01-17 17:17:10
○ 2016-04-04 15:35:00
○ 2017-02-13 03:10:18
● 2026-02-25 02:20:18
● 2026-04-22 19:29:12
●NSns4.mchost.ru2015-06-16 → 2026-04-22 · 6 obs
● 2015-06-16 05:47:12
● 2016-01-17 17:17:10
○ 2016-04-04 15:35:00
○ 2017-02-13 03:10:18
● 2026-02-25 02:20:18
● 2026-04-22 19:29:12
○NSvera.ns.cloudflare.com2016-04-04 → 2017-02-13 · 5 obs
○ 2016-01-17 17:17:10
● 2016-04-04 15:35:00
● 2017-02-13 03:10:18
○ 2026-02-25 02:20:18
○ 2026-04-22 19:29:12
●MXmx1.tutknow.ru2015-06-16 → 2026-04-22 · 2 obs
● 2015-06-16 05:47:12
● 2026-04-22 19:29:12
●MXmx2.tutknow.ru2015-06-16 → 2026-04-22 · 2 obs
● 2015-06-16 05:47:12
● 2026-04-22 19:29:12
○A104.25.130.122016-04-04 → 2017-02-13 · 5 obs
○ 2016-01-17 17:17:10
● 2016-04-04 15:35:00
● 2017-02-13 03:10:18
○ 2026-02-25 02:20:18
○ 2026-04-22 19:29:12
○A104.25.131.122016-04-04 → 2017-02-13 · 5 obs
○ 2016-01-17 17:17:10
● 2016-04-04 15:35:00
● 2017-02-13 03:10:18
○ 2026-02-25 02:20:18
○ 2026-04-22 19:29:12
○A109.234.32.2542015-10-30 → 2016-01-17 · 5 obs
○ 2015-06-16 05:47:12
● 2015-10-30 00:53:16
● 2016-01-17 17:17:10
○ 2016-04-04 15:35:00
○ 2026-04-22 19:29:12
○A178.208.83.112015-06-16 → 2015-06-16 · 3 obs
● 2015-06-16 05:47:12
○ 2015-10-30 00:53:16
○ 2026-04-22 19:29:12
●A178.208.84.1502026-02-25 → 2026-04-22 · 3 obs
○ 2017-02-13 03:10:18
● 2026-02-25 02:20:18
● 2026-04-22 19:29:12
○A2400:cb00:2048:1::6819:820c2016-09-25 → 2017-02-13 · 5 obs
○ 2016-04-04 15:35:00
● 2016-09-25 02:54:52
● 2017-02-13 03:10:18
○ 2026-02-25 02:20:18
○ 2026-04-22 19:29:12
○A2400:cb00:2048:1::6819:830c2016-09-25 → 2017-02-13 · 5 obs
○ 2016-04-04 15:35:00
● 2016-09-25 02:54:52
● 2017-02-13 03:10:18
○ 2026-02-25 02:20:18
○ 2026-04-22 19:29:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...-
tutknow.runs1.mchost.ru, ns2.mchost.ru, ns3.mchost.ru, ns4.mchost.ru-

✅ Authoritative Response

Server:95.183.12.22

NS records: ns1.mchost.ru, ns2.mchost.ru, ns3.mchost.ru, ns4.mchost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutknow.ru (unsigned zone)

⏱️ Timing

Total: 1759ms | Queries: -

📄 Records

TypeCountSample Data
A1178.208.84.150
NS4ns1.mchost.ru, ns2.mchost.ru...
MX2mx2.tutknow.ru (pri: 10), mx1.tutknow.ru (pri: 10)
TXT2google-site-verification=gVizPOhNPj2z91I, v=spf1 a mx ip4:178.208.83.99 ip4:178.20
SOA1ns1.mchost.ru info.mchost.ru

Analysis

Hierarchy

tutknow.ru is the parent of mx1.tutknow.ru, www.tutknow.ru and mx2.tutknow.ru.

IP Addresses

tutknow.ru resolves to one IP number: 178.208.84.150.

Name Servers

tutknow.ru is delegated to four name servers: ns1.mchost.ru, ns2.mchost.ru, ns3.mchost.ru and ns4.mchost.ru.

tutknow.ru at least partially shares name servers with other domains, for instance floristudio.ru, xn----8sbqiblri5b1i.xn--p1ai, flauta.ru, remont220.ru and mastercabel.ru.

These name servers are commonly used with isp103.mchost.ru, isp101.mchost.ru and isp102.mchost.ru.

Host names with two IP numbers:

ns1.mchost.ru points to 2a03:c980:e5:11:46:254:16:213 and 46.254.16.213.

ns2.mchost.ru points to 2a03:80c0:1:777:178:208:71:71 and 178.208.71.71.

ns4.mchost.ru points to 2a03:c980:db:20:95:183:12:22 and 95.183.12.22.

Host names with one IP number:

ns3.mchost.ru points to 37.143.13.162.

Mail Servers

Two mail servers handle tutknow.ru: mx1.tutknow.ru and mx2.tutknow.ru.

Host names with one IP number:

mx1.tutknow.ru points to 178.208.83.104

mx2.tutknow.ru points to 178.208.83.105