doublecheck.co - dns.ninja

doublecheck.co

DNSSEC⚠️ Not signed
A52.20.84.62🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix
PTRec2-52-20-84-62.compute-1.amazonaws.com
NSns1.atom.com ⭐
A44.219.81.145🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-219-81-145.compute-1.amazonaws.com
NSns2.atom.com
A50.19.240.86🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix
PTRec2-50-19-240-86.compute-1.amazonaws.com
TXTafternic-verification-SKpgpkrcpiHSCTmwJkVRpU
SOAns1.atom.comhostmaster@doublecheck.co 2026-01-01 #1

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759713177

Subdomains

www.doublecheck.co

Same first word

doublecheck.media
doublecheck.fi
doublecheck.de
doublecheck.se
doublecheck.com.tr
doublecheck.ch
doublecheck.nl
doublecheck.kr
doublecheck.today
doublecheck.org
doublecheck.us
doublecheck.com.br
doublecheck.co
doublecheck.com
doublecheck.jp
doublecheck.es
doublecheck.ca

Similar names

checkdouble.com

DNS History

7 records (3 active, 4 former)

20162017201820192020202120222023202420252026NSns1.atom.comns2.atom.comns31.worldnic.comns32.worldnic.comMXp.webcom.ctmail.comA52.20.84.62208.91.197.27
●NSns1.atom.com2026-04-03 → 2026-07-22 · 3 obs
○ 2017-06-15 23:15:42
● 2026-04-03 22:21:18
● 2026-07-22 15:58:52
●NSns2.atom.com2026-04-03 → 2026-07-22 · 3 obs
○ 2017-06-15 23:15:42
● 2026-04-03 22:21:18
● 2026-07-22 15:58:52
○NSns31.worldnic.com2015-05-30 → 2017-06-15 · 4 obs
● 2015-05-30 05:05:46
● 2017-06-15 23:15:42
○ 2026-04-03 22:21:18
○ 2026-07-22 15:58:52
○NSns32.worldnic.com2015-05-30 → 2017-06-15 · 4 obs
● 2015-05-30 05:05:46
● 2017-06-15 23:15:42
○ 2026-04-03 22:21:18
○ 2026-07-22 15:58:52
○MXp.webcom.ctmail.com2015-12-28 → 2017-06-15 · 4 obs
● 2015-12-28 15:52:20
● 2017-06-15 23:15:42
○ 2026-04-03 22:21:18
○ 2026-07-22 15:58:52
○A208.91.197.272015-05-30 → 2017-06-15 · 4 obs
● 2015-05-30 05:05:46
● 2017-06-15 23:15:42
○ 2026-04-03 22:21:18
○ 2026-07-22 15:58:52
●A52.20.84.622026-04-03 → 2026-07-22 · 3 obs
○ 2017-06-15 23:15:42
● 2026-04-03 22:21:18
● 2026-07-22 15:58:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
doublecheck.cons1.atom.com, ns2.atom.com-

✅ Authoritative Response

Server:44.219.81.145

NS records: ns1.atom.com, ns2.atom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doublecheck.co (unsigned zone)

⏱️ Timing

Total: 205ms | Queries: -

📄 Records

TypeCountSample Data
A152.20.84.62
NS2ns1.atom.com, ns2.atom.com
TXT1afternic-verification-SKpgpkrcpiHSCTmwJk
SOA1ns1.atom.com hostmaster.doublecheck.co

Analysis

Hierarchy

www.doublecheck.co is delegated beneath doublecheck.co.

IP Addresses

doublecheck.co resolves to just one IP address, 52.20.84.62.

Two other host names, along with carbunk.com, nutrino.org and nesha.com, also share IP numbers with doublecheck.co.

Name Servers

doublecheck.co uses two name servers for its delegation: ns1.atom.com and ns2.atom.com.

doublecheck.co shares its NS records with other domains, for example creditlive.com, donka.net, phillyfind.com and two others.

doublecheck.co and other domains like groomdoctor.com, chainmap.com and euronatura.com share some name servers

These name servers are routinely deployed together with the name servers verification-refeskkalf4qgvebx3uk7a.ns101.verify.hn.

ns1.atom.com → 44.219.81.145 and ns2.atom.com → 50.19.240.86: one IP number per host name.