atcoding.ru - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

atcoding.ru

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:df1a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3620🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.54.32Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.26🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdelilah.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2663🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A2803:f800:50::6ca2:c263🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdelilah.ns.cloudflare.com
A2a06:98c1:50::ac40:2263🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdelilah.ns.cloudflare.com
A108.162.194.99🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.99Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.99🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSskip.ns.cloudflare.com
A2606:4700:58::adf5:3be9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
A2803:f800:50::6ca2:c1e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRskip.ns.cloudflare.com
A2a06:98c1:50::ac40:21e9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRskip.ns.cloudflare.com
A108.162.193.233🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
A172.64.33.233🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
A173.245.59.233🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRskip.ns.cloudflare.com
TXTyandex-verification: e24a3c2bca5(0x37313735)0
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.54.32, 172.67.223.26
IPv6 hints2606:4700:3033::ac43:df1a, 2606:4700:3037::6815:3620
SOAdelilah.ns.cloudflare.comdns@cloudflare.com serial=2417190672

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4070857

Same first word

atcoding.com
atcoding.ru
atcoding.cn

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Previous names

atcltd.ru
atclub.ru
atcm.ru
atcm15.ru
atcmagistral.ru
atcmedvedevgbo.ru
atcmei.ru
atcmgroup.ru
atcmoment.ru
atcmos16.ru
atcmoscow.ru
atcmsk.ru
atcn.ru
atcn1.ru
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atcnn-auto.ru
atco.ru
atcode.ru

Next names

atcoin.ru
atcois.ru
atcollection.ru
atcom-russia.ru
atcom.ru
atcomex.ru
atcomfort.ru
atcomp.ru
atcompany.ru
atcon.ru
atcons.ru
atconsult.ru
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atcool.ru
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atcorp.ru
atcountry.ru
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DNS History

17 records (6 active, 11 former)

20192020202120222023202420252026NSdelilah.ns.cloudflare.comskip.ns.cloudflare.comatcorp.runs1.atcorp.runs2.atcorp.ruMXmail.atcoding.ruA104.21.54.32172.67.223.262606:4700:3033::ac43:df1a2606:4700:3037::6815:3620188.114.96.0188.114.96.4188.114.97.0188.114.97.4195.3.252.1102a06:98c1:3120::2a06:98c1:3121::
○NSatcorp.ru2018-09-14 → 2018-09-14 · 3 obs
● 2018-09-14 05:18:06
○ 2026-09-05 11:39:02
○ 2026-10-26 00:42:28
●NSdelilah.ns.cloudflare.com2026-09-05 → 2026-10-26 · 3 obs
○ 2018-09-14 05:18:06
● 2026-09-05 11:39:02
● 2026-10-26 00:42:28
○NSns1.atcorp.ru2018-09-14 → 2018-09-14 · 3 obs
● 2018-09-14 05:18:06
○ 2026-09-05 11:39:02
○ 2026-10-26 00:42:28
○NSns2.atcorp.ru2018-09-14 → 2018-09-14 · 3 obs
● 2018-09-14 05:18:06
○ 2026-09-05 11:39:02
○ 2026-10-26 00:42:28
●NSskip.ns.cloudflare.com2026-09-05 → 2026-10-26 · 3 obs
○ 2018-09-14 05:18:06
● 2026-09-05 11:39:02
● 2026-10-26 00:42:28
○MXmail.atcoding.ru2018-09-14 → 2018-09-14 · 3 obs
● 2018-09-14 05:18:06
○ 2026-09-05 11:39:02
○ 2026-10-26 00:42:28
●A104.21.54.322026-09-12 → 2026-10-26 · 5 obs
○ 2026-09-05 11:39:02
● 2026-09-12 09:50:04
○ 2026-09-18 14:44:36
● 2026-09-30 21:55:42
● 2026-10-26 00:42:28
●A172.67.223.262026-09-12 → 2026-10-26 · 5 obs
○ 2026-09-05 11:39:02
● 2026-09-12 09:50:04
○ 2026-09-18 14:44:36
● 2026-09-30 21:55:42
● 2026-10-26 00:42:28
○A188.114.96.02026-09-05 → 2026-09-21 · 8 obs
○ 2018-09-14 05:18:06
● 2026-09-05 11:39:02
○ 2026-09-12 09:50:04
● 2026-09-18 14:44:36
○ 2026-09-19 06:08:46
● 2026-09-21 07:15:46
○ 2026-09-30 21:55:42
○ 2026-10-26 00:42:28
○A188.114.96.42026-09-19 → 2026-09-19 · 4 obs
○ 2026-09-18 14:44:36
● 2026-09-19 06:08:46
○ 2026-09-21 07:15:46
○ 2026-10-26 00:42:28
○A188.114.97.02026-09-05 → 2026-09-21 · 8 obs
○ 2018-09-14 05:18:06
● 2026-09-05 11:39:02
○ 2026-09-12 09:50:04
● 2026-09-18 14:44:36
○ 2026-09-19 06:08:46
● 2026-09-21 07:15:46
○ 2026-09-30 21:55:42
○ 2026-10-26 00:42:28
○A188.114.97.42026-09-19 → 2026-09-19 · 4 obs
○ 2026-09-18 14:44:36
● 2026-09-19 06:08:46
○ 2026-09-21 07:15:46
○ 2026-10-26 00:42:28
○A195.3.252.1102018-09-14 → 2018-09-14 · 3 obs
● 2018-09-14 05:18:06
○ 2026-09-05 11:39:02
○ 2026-10-26 00:42:28
●A2606:4700:3033::ac43:df1a2026-09-12 → 2026-10-26 · 5 obs
○ 2026-09-05 11:39:02
● 2026-09-12 09:50:04
○ 2026-09-18 14:44:36
● 2026-09-30 21:55:42
● 2026-10-26 00:42:28
●A2606:4700:3037::6815:36202026-09-12 → 2026-10-26 · 5 obs
○ 2026-09-05 11:39:02
● 2026-09-12 09:50:04
○ 2026-09-18 14:44:36
● 2026-09-30 21:55:42
● 2026-10-26 00:42:28
○A2a06:98c1:3120::2026-09-05 → 2026-09-18 · 6 obs
○ 2018-09-14 05:18:06
● 2026-09-05 11:39:02
○ 2026-09-12 09:50:04
● 2026-09-18 14:44:36
○ 2026-09-30 21:55:42
○ 2026-10-26 00:42:28
○A2a06:98c1:3121::2026-09-05 → 2026-09-18 · 6 obs
○ 2018-09-14 05:18:06
● 2026-09-05 11:39:02
○ 2026-09-12 09:50:04
● 2026-09-18 14:44:36
○ 2026-09-30 21:55:42
○ 2026-10-26 00:42:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, c.tld-servers.ru, d.dns.ripn.net...-
atcoding.ruskip.ns.cloudflare.com, delilah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.99

NS records: skip.ns.cloudflare.com, delilah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atcoding.ru (unsigned zone)

⏱️ Timing

Total: 1695ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.223.26, 104.21.54.32
AAAA22606:4700:3037::6815:3620, 2606:4700:3033::ac43:df1a
NS2delilah.ns.cloudflare.com, skip.ns.cloudflare.com
TXT1yandex-verification: e24a3c2bca5(0x37313735)0
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1delilah.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

atcoding.ru has four IP addresses: 104.21.54.32, 172.67.223.26, 2606:4700:3033::ac43:df1a and 2606:4700:3037::6815:3620.

Additional host names — contfrying.com, 6319zgg.xyz, reprisemedia.com.cn and two others — share IP numbers with atcoding.ru.

Name Servers

atcoding.ru uses two name servers for its delegation: delilah.ns.cloudflare.com and skip.ns.cloudflare.com.

atcoding.ru shares its name server setup with other domains, including kolleksioneraz.workers.dev, radiocorner.pages.dev, lzha.workers.dev and two others.

atcoding.ru partially shares its NS delegation with several other domains, including sceltoservizio85226942.pages.dev, pagibolmong.org, cqodrwz.cn and two others.

The name servers lana.ns.cloudflare.com, grant.ns.cloudflare.com, sharon.ns.cloudflare.com and josh.ns.cloudflare.com are often found in use alongside these name servers.

Host names with 6 IP numbers:

Hostname delilah.ns.cloudflare.com directs to 108.162.194.99, 162.159.38.99 and 172.64.34.99 along with 3 other IP addresses.

Hostname skip.ns.cloudflare.com directs to 108.162.193.233, 172.64.33.233 and 173.245.59.233 along with 3 other IP addresses.