atcoders.com - dns.ninja

atcoders.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns3.afternic.com ⭐
A97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns3.afternic.com
NSns4.afternic.com
A173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns4.namefind.com
TXTv=spf1 -all
SOAns3.afternic.comdns@jomax.net 2025-10-01 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782169340

Same first word

atcoders.com

Similar names

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tradecos.cl
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cotreads.com
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artcodes.pl
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decostar.com.uy
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codestar.com
starcode.de
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redcoats.io
decostar.gr
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costrade.eu
scotrade.com
cedostar.it
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soctrade.kz
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stardeco.com
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stadcore.com
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racedots.hu
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starcode.ru
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redcoats.co.nz
dacstore.info
tracodes.com
destocar.com
docartes.be
codestar.ro
decoarts.com.ph
decastro.be
artsdeco.cn
decastro.eu
descarto.com
decastro.biz
docrates.se
acdstore.com.tr
decastro.se
rtacodes.com
starcode.com
docrates.herokuapp.com
docrates.no
rdcoates.com
soctrade.ru
docrates.com
codestar.aws
starcode.ch
docartes.cl
starcode.net.au
cadstore.bg
docrates.org
cesardot.com
costarde.com
scaredto.com
codestar.net
redcoats.com
decostar.com.tr
decostar.md
redcoats.ca
sodetrac.com
codearts.at
codestar.org
stardeco.pro

DNS History

24 records (4 active, 20 former)

2017201820192020202120222023202420252026NSns3.afternic.comns4.afternic.comns1.atcoders.comns1.byet.orgns2.atcoders.comns2.byet.orgns3.byet.orgns4.byet.orgns49.domaincontrol.comns5.byet.orgns50.domaincontrol.comMXmx.atcoders.comA13.248.169.4876.223.54.146184.168.221.23184.168.221.4184.168.221.8185.27.134.13150.63.202.150.63.202.1550.63.202.1950.63.202.2050.63.202.2150.63.202.27
○NSns1.atcoders.com2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
○NSns1.byet.org2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
○NSns2.atcoders.com2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
○NSns2.byet.org2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
●NSns3.afternic.com2026-02-17 → 2026-06-22 · 3 obs
○ 2017-08-17 22:18:36
● 2026-02-17 22:19:10
● 2026-06-22 23:13:12
○NSns3.byet.org2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
●NSns4.afternic.com2026-02-17 → 2026-06-22 · 3 obs
○ 2017-08-17 22:18:36
● 2026-02-17 22:19:10
● 2026-06-22 23:13:12
○NSns4.byet.org2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
○NSns49.domaincontrol.com2017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○NSns5.byet.org2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
○NSns50.domaincontrol.com2017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○MXmx.atcoders.com2016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
●A13.248.169.482026-02-17 → 2026-06-22 · 3 obs
○ 2017-08-17 22:18:36
● 2026-02-17 22:19:10
● 2026-06-22 23:13:12
○A184.168.221.232017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A184.168.221.42017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A184.168.221.82017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A185.27.134.1312016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 23:17:28
○ 2017-08-17 22:18:36
○ 2026-06-22 23:13:12
○A50.63.202.12017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A50.63.202.152017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A50.63.202.192017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A50.63.202.202017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A50.63.202.212017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
○A50.63.202.272017-08-17 → 2017-08-17 · 4 obs
○ 2016-12-16 23:17:28
● 2017-08-17 22:18:36
○ 2026-02-17 22:19:10
○ 2026-06-22 23:13:12
●A76.223.54.1462026-02-17 → 2026-06-22 · 3 obs
○ 2017-08-17 22:18:36
● 2026-02-17 22:19:10
● 2026-06-22 23:13:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
atcoders.comns3.afternic.com, ns4.afternic.com2 records

✅ Authoritative Response

Server:173.201.66.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for atcoders.com (unsigned zone)

⏱️ Timing

Total: 76ms | Queries: -

📄 Records

TypeCountSample Data
A213.248.169.48, 76.223.54.146
NS2ns3.afternic.com, ns4.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns3.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

IP Addresses

atcoders.com points to the IP addresses 13.248.169.48 and 76.223.54.146

Two other host names, along with 66-118-3-25.texlink.com, accountmigration.com and serviceworld.org, also share IP numbers with atcoders.com.

Name Servers

atcoders.com has two authoritative name servers — ns3.afternic.com and ns4.afternic.com.

atcoders.com shares its NS records with other domains, for example waterfallsinpennsylvania.com, beard(0x736c7574).com, betusacasino.com and two others.

The name servers of atcoders.com overlap at least partially with those of other domains — among them enterpriseclinic.com, chainzen.com, hupw.com and two more.

These name servers commonly appear in combination with the name servers verification-gx9m4qbbvukhxvxdk2zdbk.ns101.verify.hn.

Both ns3.afternic.com and ns4.afternic.com have a single IP address each — ns3.afternic.com resolves to 97.74.98.65 while ns4.afternic.com resolves to 173.201.66.65.