checkknowledge.com - dns.ninja

checkknowledge.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
NSns1.afternic.com ⭐
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSicb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn ⚠️ Not in zone NS records
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
NSns2.afternic.com
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

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=1782748561

Subdomains

ns1.checkknowledge.com
ns2.checkknowledge.com
mail.checkknowledge.com

Same first word

checkknowledge.com

Similar names

knowledgecheck.ru

DNS History

22 records (5 active, 17 former)

200920112013201520172019202120232025NSicb2qmtiyxwj5bdrjzhwrf.ns101.verify.hnns1.afternic.comns2.afternic.comns1.checkknowledge.comns1626.ztomy.comns2.checkknowledge.comns2626.ztomy.comns57.domaincontrol.comns58.domaincontrol.comsk.s5.ans1.ns148.ztomy.comsk.s5.ans2.ns148.ztomy.comMXmail.checkknowledge.commailstore1.secureserver.netsmtp.secureserver.netA13.248.169.4876.223.54.146204.11.56.48208.91.197.4668.178.232.10076.164.215.91PTRns1626.ztomy.comsk.s5.ans1.ns148.ztomy.com
●NSicb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn2026-04-16 → 2026-06-29 · 3 obs
○ 2017-09-07 16:25:50
● 2026-04-16 21:20:04
● 2026-06-29 16:10:14
●NSns1.afternic.com2026-04-16 → 2026-06-29 · 3 obs
○ 2017-09-07 16:25:50
● 2026-04-16 21:20:04
● 2026-06-29 16:10:14
○NSns1.checkknowledge.com2015-07-02 → 2015-07-02 · 4 obs
○ 2008-03-08 16:03:58
● 2015-07-02 19:59:42
○ 2015-10-16 19:38:40
○ 2026-06-29 16:10:14
○NSns1626.ztomy.com2015-12-11 → 2017-09-07 · 7 obs
○ 2015-10-16 19:38:40
● 2015-12-11 03:32:08
● 2016-01-03 20:13:10
○ 2016-11-26 11:14:16
● 2017-09-07 16:25:50
○ 2026-04-16 21:20:04
○ 2026-06-29 16:10:14
●NSns2.afternic.com2026-04-16 → 2026-06-29 · 3 obs
○ 2017-09-07 16:25:50
● 2026-04-16 21:20:04
● 2026-06-29 16:10:14
○NSns2.checkknowledge.com2015-07-02 → 2015-07-02 · 4 obs
○ 2008-03-08 16:03:58
● 2015-07-02 19:59:42
○ 2015-10-16 19:38:40
○ 2026-06-29 16:10:14
○NSns2626.ztomy.com2015-12-11 → 2017-09-07 · 7 obs
○ 2015-10-16 19:38:40
● 2015-12-11 03:32:08
● 2016-01-03 20:13:10
○ 2016-11-26 11:14:16
● 2017-09-07 16:25:50
○ 2026-04-16 21:20:04
○ 2026-06-29 16:10:14
○NSns57.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 16:03:58
○ 2015-07-02 19:59:42
○ 2026-06-29 16:10:14
○NSns58.domaincontrol.com2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 16:03:58
○ 2015-07-02 19:59:42
○ 2026-06-29 16:10:14
○NSsk.s5.ans1.ns148.ztomy.com2016-11-26 → 2016-11-26 · 4 obs
○ 2016-01-03 20:13:10
● 2016-11-26 11:14:16
○ 2017-09-07 16:25:50
○ 2026-06-29 16:10:14
○NSsk.s5.ans2.ns148.ztomy.com2016-11-26 → 2016-11-26 · 4 obs
○ 2016-01-03 20:13:10
● 2016-11-26 11:14:16
○ 2017-09-07 16:25:50
○ 2026-06-29 16:10:14
○MXmail.checkknowledge.com2015-07-02 → 2015-07-02 · 4 obs
○ 2008-03-08 16:03:58
● 2015-07-02 19:59:42
○ 2015-10-16 19:38:40
○ 2026-06-29 16:10:14
○MXmailstore1.secureserver.net2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 16:03:58
○ 2015-07-02 19:59:42
○ 2026-06-29 16:10:14
○MXsmtp.secureserver.net2008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 16:03:58
○ 2015-07-02 19:59:42
○ 2026-06-29 16:10:14
●A13.248.169.482026-04-16 → 2026-06-29 · 3 obs
○ 2017-09-07 16:25:50
● 2026-04-16 21:20:04
● 2026-06-29 16:10:14
○A204.11.56.482015-12-11 → 2017-09-07 · 7 obs
○ 2015-10-16 19:38:40
● 2015-12-11 03:32:08
● 2016-01-03 20:13:10
○ 2016-11-26 11:14:16
● 2017-09-07 16:25:50
○ 2026-04-16 21:20:04
○ 2026-06-29 16:10:14
○A208.91.197.462016-11-26 → 2016-11-26 · 4 obs
○ 2016-01-03 20:13:10
● 2016-11-26 11:14:16
○ 2017-09-07 16:25:50
○ 2026-06-29 16:10:14
○A68.178.232.1002008-03-08 → 2008-03-08 · 3 obs
● 2008-03-08 16:03:58
○ 2015-07-02 19:59:42
○ 2026-06-29 16:10:14
○A76.164.215.912015-07-02 → 2015-07-02 · 4 obs
○ 2008-03-08 16:03:58
● 2015-07-02 19:59:42
○ 2015-10-16 19:38:40
○ 2026-06-29 16:10:14
●A76.223.54.1462026-04-16 → 2026-06-29 · 3 obs
○ 2017-09-07 16:25:50
● 2026-04-16 21:20:04
● 2026-06-29 16:10:14
○PTRns1626.ztomy.com2017-09-07 → 2017-09-07 · 4 obs
○ 2016-11-26 11:14:16
● 2017-09-07 16:25:50
○ 2026-04-16 21:20:04
○ 2026-06-29 16:10:14
○PTRsk.s5.ans1.ns148.ztomy.com2016-11-26 → 2016-11-26 · 3 obs
● 2016-11-26 11:14:16
○ 2017-09-07 16:25:50
○ 2026-06-29 16:10:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...-
checkknowledge.comns1.afternic.com, ns2.afternic.com, icb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, icb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checkknowledge.com (unsigned zone)

⏱️ Timing

Total: 3708ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns1.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

Hierarchy

ns1.checkknowledge.com, ns2.checkknowledge.com and mail.checkknowledge.com each fall under the parent domain checkknowledge.com.

IP Addresses

checkknowledge.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

Two other host names, along with mx.partydragons.com, chicbra.com and miroir.com, also share IP numbers with checkknowledge.com.

Name Servers

Three name servers are authoritative for checkknowledge.com: ns1.afternic.com, ns2.afternic.com and icb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn.

checkknowledge.com partially shares its NS delegation with several other domains, including getnewcellulitetreatment.publicsets.com, www.thing.io, afterworld.co and two others.

These name servers are regularly seen alongside verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-j5zujyjnpz4gvjrhmqsxae.ns101.verify.hn as name servers.

ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45. ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45. icb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn resolves to 13.248.169.48 and 76.223.54.146. All three hostnames point to two IP numbers each.