cool4u.ru - robtex.com

cool4u.ru

DNSSEC⚠️ Not signed
A2a0a:8d80:0:9123::135🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTR2a0a8d80000091230000000000000135.ip6.webhost1.net
A91.236.136.105🇷🇺 WEBHOST1-AS91.236.136.0/24
NSns1.webhost1.com ⭐ ⚠️ Not in parent delegation
A2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns1.webhost1.com
A185.179.188.2🇷🇺 WEBHOST1-AS185.179.188.0/24
PTRns1.webhost1.com
NSns1.webhost1.ru ⚠️ Not in zone NS records
A2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns1.webhost1.com
A185.179.188.2🇷🇺 WEBHOST1-AS185.179.188.0/24
PTRns1.webhost1.com
NSns2.webhost1.com ⚠️ Not in parent delegation
A2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns2.webhost1.com
A185.179.189.202🇷🇺 WEBHOST1-AS185.179.189.0/24
PTRns2.webhost1.com
NSns2.webhost1.ru ⚠️ Not in zone NS records
A2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns2.webhost1.com
A185.179.189.202🇷🇺 WEBHOST1-AS185.179.189.0/24
PTRns2.webhost1.com
NSns3.webhost1.net ⚠️ Not in zone NS records
A2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns1.webhost1.com
A185.179.188.2🇷🇺 WEBHOST1-AS185.179.188.0/24
PTRns1.webhost1.com
NSns3.webhost1.org ⚠️ Not in parent delegation
A2a0a:8d80:0:a000::aa🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns1.webhost1.com
A185.179.188.2🇷🇺 WEBHOST1-AS185.179.188.0/24
PTRns1.webhost1.com
NSns4.webhost1.net ⚠️ Not in zone NS records
A2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns2.webhost1.com
A185.179.189.202🇷🇺 WEBHOST1-AS185.179.189.0/24
PTRns2.webhost1.com
NSns4.webhost1.org ⚠️ Not in parent delegation
A2a0a:8d80:0:a000::bb🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTRns2.webhost1.com
A185.179.189.202🇷🇺 WEBHOST1-AS185.179.189.0/24
PTRns2.webhost1.com
MXmail.cool4u.ru ⭐
A2a0a:8d80:0:9123::135🇷🇺 WEBHOST1-AS2a0a:8d80::/48
PTR2a0a8d80000091230000000000000135.ip6.webhost1.net
A91.236.136.105🇷🇺 WEBHOST1-AS91.236.136.0/24
PTRs135.webhost1.ru
TXTv=spf1 ip4:91.236.136.40 ip4:91.236.136.119 a mx ~all
SOAns1.webhost1.comtech@webhost1.com 2024-11-20 #20

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=4068634
WOT: UNKNOWN (88/100)

Subdomains

mail.cool4u.ru

Same first word

cool4u.at
cool4u.ru
cool4u.cz
cool4u.de
cool4u.co.uk
cool4u.ro
cool4u.hu
cool4u.gr

Similar names

colo4u.com
colo4u.be
loco4u.com

DNS History

19 records (11 active, 8 former)

20162017201820192020202120222023202420252026NSns1.webhost1.comns1.webhost1.runs2.webhost1.comns2.webhost1.runs3.webhost1.netns3.webhost1.orgns4.webhost1.netns4.webhost1.orgns1.ipage.comns1.reg.runs2.ipage.comns2.reg.ruMXmail.cool4u.rumx.cool4u.ruA2a0a:8d80:0:9123::13591.236.136.10531.28.169.4466.96.147.15991.217.9.163
○NSns1.ipage.com2016-08-21 → 2016-08-21 · 4 obs
○ 2015-08-09 04:12:12
● 2016-08-21 19:27:08
○ 2016-12-09 13:39:00
○ 2026-04-24 18:57:26
○NSns1.reg.ru2015-08-09 → 2015-08-09 · 3 obs
● 2015-08-09 04:12:12
○ 2016-08-21 19:27:08
○ 2026-04-24 18:57:26
●NSns1.webhost1.com2026-02-24 → 2026-04-24 · 3 obs
○ 2016-12-09 13:39:00
● 2026-02-24 04:28:06
● 2026-04-24 18:57:26
●NSns1.webhost1.ru2016-12-09 → 2026-04-24 · 3 obs
○ 2016-08-21 19:27:08
● 2016-12-09 13:39:00
● 2026-04-24 18:57:26
○NSns2.ipage.com2016-08-21 → 2016-08-21 · 4 obs
○ 2015-08-09 04:12:12
● 2016-08-21 19:27:08
○ 2016-12-09 13:39:00
○ 2026-04-24 18:57:26
○NSns2.reg.ru2015-08-09 → 2015-08-09 · 3 obs
● 2015-08-09 04:12:12
○ 2016-08-21 19:27:08
○ 2026-04-24 18:57:26
●NSns2.webhost1.com2026-02-24 → 2026-04-24 · 3 obs
○ 2016-12-09 13:39:00
● 2026-02-24 04:28:06
● 2026-04-24 18:57:26
●NSns2.webhost1.ru2016-12-09 → 2026-04-24 · 3 obs
○ 2016-08-21 19:27:08
● 2016-12-09 13:39:00
● 2026-04-24 18:57:26
●NSns3.webhost1.net2016-12-09 → 2026-04-24 · 3 obs
○ 2016-08-21 19:27:08
● 2016-12-09 13:39:00
● 2026-04-24 18:57:26
●NSns3.webhost1.org2026-02-24 → 2026-04-24 · 3 obs
○ 2016-12-09 13:39:00
● 2026-02-24 04:28:06
● 2026-04-24 18:57:26
●NSns4.webhost1.net2016-12-09 → 2026-04-24 · 3 obs
○ 2016-08-21 19:27:08
● 2016-12-09 13:39:00
● 2026-04-24 18:57:26
●NSns4.webhost1.org2026-02-24 → 2026-04-24 · 3 obs
○ 2016-12-09 13:39:00
● 2026-02-24 04:28:06
● 2026-04-24 18:57:26
●MXmail.cool4u.ru2015-08-09 → 2026-04-24 · 4 obs
● 2015-08-09 04:12:12
○ 2016-08-21 19:27:08
● 2016-12-09 13:39:00
● 2026-04-24 18:57:26
○MXmx.cool4u.ru2016-08-21 → 2016-08-21 · 4 obs
○ 2015-08-09 04:12:12
● 2016-08-21 19:27:08
○ 2016-12-09 13:39:00
○ 2026-04-24 18:57:26
●A2a0a:8d80:0:9123::1352026-02-24 → 2026-04-24 · 3 obs
○ 2016-12-09 13:39:00
● 2026-02-24 04:28:06
● 2026-04-24 18:57:26
○A31.28.169.442015-08-09 → 2015-08-09 · 3 obs
● 2015-08-09 04:12:12
○ 2016-08-21 19:27:08
○ 2026-04-24 18:57:26
○A66.96.147.1592016-08-21 → 2016-08-21 · 4 obs
○ 2015-08-09 04:12:12
● 2016-08-21 19:27:08
○ 2016-12-09 13:39:00
○ 2026-04-24 18:57:26
○A91.217.9.1632016-12-09 → 2016-12-09 · 4 obs
○ 2016-08-21 19:27:08
● 2016-12-09 13:39:00
○ 2026-02-24 04:28:06
○ 2026-04-24 18:57:26
●A91.236.136.1052026-02-24 → 2026-04-24 · 3 obs
○ 2016-12-09 13:39:00
● 2026-02-24 04:28:06
● 2026-04-24 18:57:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rue.dns.ripn.net, a.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net...-
cool4u.runs1.webhost1.ru, ns2.webhost1.ru, ns3.webhost1.net, ns4.webhost1.net2 records

✅ Authoritative Response

Server:185.179.188.2

NS records: ns1.webhost1.ru, ns2.webhost1.ru, ns3.webhost1.net, ns4.webhost1.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cool4u.ru (unsigned zone)

⏱️ Timing

Total: 4239ms | Queries: -

📄 Records

TypeCountSample Data
A191.236.136.105
AAAA12a0a:8d80:0:9123::135
NS4ns4.webhost1.org, ns1.webhost1.com...
MX1mail.cool4u.ru (pri: 10)
TXT1v=spf1 ip4:91.236.136.40 ip4:91.236.136.
SOA1ns1.webhost1.com tech.webhost1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.webhost1.ru, ns2.webhost1.ru)

Analysis

Hierarchy

cool4u.ru is the parent of mail.cool4u.ru.

IP Addresses

cool4u.ru points to two IPs: 2a0a:8d80:0:9123::135 and 91.236.136.105.

Other host names including kriya.ru, mail.intv.ru, almaz-otves.ru, mail.poselok-island.ru and mail.kudrovo.ru share IP numbers with cool4u.ru.

Name Servers

cool4u.ru is delegated to eight name servers: ns1.webhost1.com, ns2.webhost1.com, ns3.webhost1.net, ns4.webhost1.net, ns3.webhost1.org, ns4.webhost1.org, ns1.webhost1.ru and ns2.webhost1.ru.

cool4u.ru at least partially shares name servers with other domains, including xn----7sbb3gh.xn--p1ai, 50mo.ru, niva-essentuki.com, vylazki.ru and foto.md.

These name servers are commonly used with cp2.webhost1.com and cp3.webhost1.com.

Names with two IPs:

ns1.webhost1.com points to 2a0a:8d80:0:a000::aa and 185.179.188.2.

ns2.webhost1.com points to 2a0a:8d80:0:a000::bb and 185.179.189.202.

ns3.webhost1.net points to 2a0a:8d80:0:a000::aa and 185.179.188.2.

ns4.webhost1.net points to 2a0a:8d80:0:a000::bb and 185.179.189.202.

ns3.webhost1.org points to 2a0a:8d80:0:a000::aa and 185.179.188.2.

ns4.webhost1.org points to 2a0a:8d80:0:a000::bb and 185.179.189.202.

ns1.webhost1.ru points to 2a0a:8d80:0:a000::aa and 185.179.188.2.

ns2.webhost1.ru points to 2a0a:8d80:0:a000::bb and 185.179.189.202.

Names that point to 2a0a:8d80:0:a000::aa: ns1.webhost1.com, ns3.webhost1.net, ns3.webhost1.org and ns1.webhost1.ru.

Names that point to 185.179.188.2: ns1.webhost1.com, ns3.webhost1.net, ns3.webhost1.org and ns1.webhost1.ru.

Names that point to 2a0a:8d80:0:a000::bb: ns2.webhost1.com, ns4.webhost1.net, ns4.webhost1.org and ns2.webhost1.ru.

Names that point to 185.179.189.202: ns2.webhost1.com, ns4.webhost1.net, ns4.webhost1.org and ns2.webhost1.ru.

Mail Servers

cool4u.ru is handled by a single mail server, mail.cool4u.ru.

mail.cool4u.ru points to two IPs: 2a0a:8d80:0:9123::135 and 91.236.136.105.