check-u.ru - robtex.com

check-u.ru

DNSSEC⚠️ Not signed
NSclay.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::adf5:3b58🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
A2803:f800:50::6ca2:c158🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRclay.ns.cloudflare.com
A2a06:98c1:50::ac40:2158🇺🇸 Cloudflare2a06:98c1:50::/45
PTRclay.ns.cloudflare.com
A108.162.193.88🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
A172.64.33.88🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
A173.245.59.88🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRclay.ns.cloudflare.com
NScloe.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::adf5:3a56🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
A2803:f800:50::6ca2:c056🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcloe.ns.cloudflare.com
A2a06:98c1:50::ac40:2056🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcloe.ns.cloudflare.com
A108.162.192.86🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
A172.64.32.86🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com
A173.245.58.86🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcloe.ns.cloudflare.com

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=4068292
WOT: SAFE (72/100)

Same first word

check-u.eu
check-u.com
check-u.de

Similar names

u-check.com
u-check.de

DNS History

14 records (2 active, 12 former)

20162017201820192020202120222023202420252026NSclay.ns.cloudflare.comcloe.ns.cloudflare.comns1.check-u.runs2.check-u.runs5.for-ns.comns6.for-ns.comtau.for-ns.comMXmail.check-u.ruA104.24.120.34104.24.121.342400:cb00:2048:1::6818:78222400:cb00:2048:1::6818:792251.254.4.22993.190.140.162
●NSclay.ns.cloudflare.com2017-01-04 → 2026-03-27 · 3 obs
○ 2016-12-06 09:11:00
● 2017-01-04 21:55:08
● 2026-03-27 07:58:06
●NScloe.ns.cloudflare.com2017-01-04 → 2026-03-27 · 3 obs
○ 2016-12-06 09:11:00
● 2017-01-04 21:55:08
● 2026-03-27 07:58:06
○NSns1.check-u.ru2015-12-23 → 2016-12-06 · 5 obs
○ 2015-09-30 20:43:00
● 2015-12-23 02:16:24
● 2016-12-06 09:11:00
○ 2017-01-04 21:55:08
○ 2026-03-27 07:58:06
○NSns2.check-u.ru2015-12-23 → 2016-12-06 · 5 obs
○ 2015-09-30 20:43:00
● 2015-12-23 02:16:24
● 2016-12-06 09:11:00
○ 2017-01-04 21:55:08
○ 2026-03-27 07:58:06
○NSns5.for-ns.com2015-08-15 → 2015-09-30 · 4 obs
● 2015-08-15 03:10:02
● 2015-09-30 20:43:00
○ 2015-12-23 02:16:24
○ 2026-03-27 07:58:06
○NSns6.for-ns.com2015-08-15 → 2015-09-30 · 4 obs
● 2015-08-15 03:10:02
● 2015-09-30 20:43:00
○ 2015-12-23 02:16:24
○ 2026-03-27 07:58:06
○NStau.for-ns.com2015-08-15 → 2015-09-30 · 4 obs
● 2015-08-15 03:10:02
● 2015-09-30 20:43:00
○ 2015-12-23 02:16:24
○ 2026-03-27 07:58:06
○MXmail.check-u.ru2015-08-15 → 2017-01-29 · 5 obs
● 2015-08-15 03:10:02
● 2015-09-30 20:43:00
○ 2015-12-23 02:16:24
● 2017-01-29 00:47:30
○ 2026-03-27 07:58:06
○A104.24.120.342017-01-04 → 2017-01-29 · 4 obs
○ 2016-12-06 09:11:00
● 2017-01-04 21:55:08
● 2017-01-29 00:47:30
○ 2026-03-27 07:58:06
○A104.24.121.342017-01-04 → 2017-01-29 · 4 obs
○ 2016-12-06 09:11:00
● 2017-01-04 21:55:08
● 2017-01-29 00:47:30
○ 2026-03-27 07:58:06
○A2400:cb00:2048:1::6818:78222017-01-04 → 2017-01-29 · 4 obs
○ 2016-12-06 09:11:00
● 2017-01-04 21:55:08
● 2017-01-29 00:47:30
○ 2026-03-27 07:58:06
○A2400:cb00:2048:1::6818:79222017-01-04 → 2017-01-29 · 4 obs
○ 2016-12-06 09:11:00
● 2017-01-04 21:55:08
● 2017-01-29 00:47:30
○ 2026-03-27 07:58:06
○A51.254.4.2292015-12-23 → 2016-12-06 · 5 obs
○ 2015-09-30 20:43:00
● 2015-12-23 02:16:24
● 2016-12-06 09:11:00
○ 2017-01-04 21:55:08
○ 2026-03-27 07:58:06
○A93.190.140.1622015-08-15 → 2015-09-30 · 4 obs
● 2015-08-15 03:10:02
● 2015-09-30 20:43:00
○ 2015-12-23 02:16:24
○ 2026-03-27 07:58:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
check-u.ruclay.ns.cloudflare.com, cloe.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.88

NS records: clay.ns.cloudflare.com, cloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for check-u.ru (unsigned zone)

⏱️ Timing

Total: 611ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

Two name servers clay.ns.cloudflare.com and cloe.ns.cloudflare.com handle the delegation for check-u.ru.

check-u.ru shares the same name server setup as other domains, for instance insanitywithstyle.com, thenewknew.com, building-a-house.info, lmc.es and mydya.com.br.

check-u.ru at least partially shares name servers with other domains, for instance caffeine.site, stephengfriend.com, medic.ua, soccerjerseywebstore.com and esdsglobal.com.

These name servers are commonly used alongside ulla.ns.cloudflare.com.

Six IP addresses per host:

clay.ns.cloudflare.com points to 2606:4700:58::adf5:3b58, 2803:f800:50::6ca2:c158, 2a06:98c1:50::ac40:2158, 108.162.193.88, 172.64.33.88 and 173.245.59.88; cloe.ns.cloudflare.com points to 2606:4700:50::adf5:3a56, 2803:f800:50::6ca2:c056, 2a06:98c1:50::ac40:2056, 108.162.192.86, 172.64.32.86 and 173.245.58.86