mail.checkknowledge.com - dns.ninja

mail.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 ⭐ ⚠️ Not in parent delegation
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
NSns2.afternic.com ⚠️ Not in parent delegation
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

checkknowledge.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐
NSicb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn ⚠️ Not in zone NS records
NSns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

Previously MX for

checkknowledge.com

Same first word

mail.it.com
mail.gov.mg
mail.ss
mail.co
mail.tc
mail.gda.pl
mail.world
mail.pe
mail.sunnyday.jp
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mail.ru.com
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mail.gov.ao
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mail.gov.ru
mail.pr
mail.mlbfan.org
mail.ph
mail.nhlfan.net
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mail.lib.wy.us
mail.pictures
mail.gov.kg
mail.ag
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mail.win
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mail.support
mail.de
mail.hacca.jp
mail.moo.jp
mail.new
mail.teva
mail.gov.al
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mail.cutegirl.jp
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DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comns1626.ztomy.comns2626.ztomy.comA13.248.169.4876.223.54.146204.11.56.4876.164.215.91
●NSns1.afternic.com2026-04-26 → 2026-06-29 · 3 obs
○ 2016-09-26 16:59:50
● 2026-04-26 09:04:14
● 2026-06-29 04:19:02
○NSns1626.ztomy.com2016-01-21 → 2016-09-26 · 4 obs
● 2016-01-21 14:46:32
● 2016-09-26 16:59:50
○ 2026-04-26 09:04:14
○ 2026-06-29 04:19:02
●NSns2.afternic.com2026-04-26 → 2026-06-29 · 3 obs
○ 2016-09-26 16:59:50
● 2026-04-26 09:04:14
● 2026-06-29 04:19:02
○NSns2626.ztomy.com2016-01-21 → 2016-09-26 · 4 obs
● 2016-01-21 14:46:32
● 2016-09-26 16:59:50
○ 2026-04-26 09:04:14
○ 2026-06-29 04:19:02
●A13.248.169.482026-04-26 → 2026-06-29 · 3 obs
○ 2016-09-26 16:59:50
● 2026-04-26 09:04:14
● 2026-06-29 04:19:02
○A204.11.56.482016-01-21 → 2016-09-26 · 5 obs
○ 2015-10-31 01:40:48
● 2016-01-21 14:46:32
● 2016-09-26 16:59:50
○ 2026-04-26 09:04:14
○ 2026-06-29 04:19:02
○A76.164.215.912015-06-12 → 2015-06-12 · 3 obs
● 2015-06-12 23:33:04
○ 2015-10-31 01:40:48
○ 2026-06-29 04:19:02
●A76.223.54.1462026-04-26 → 2026-06-29 · 3 obs
○ 2016-09-26 16:59:50
● 2026-04-26 09:04:14
● 2026-06-29 04:19:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...-
checkknowledge.comns1.afternic.com, ns2.afternic.com, icb2qmtiyxwj5bdrjzhwrf.ns101.verify.hn4 records

✅ Authoritative Response

Server:173.201.66.69

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: 3294ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns2.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mail.checkknowledge.com has two IP addresses: 13.248.169.48 and 76.223.54.146

brainstormdomains.com, 0uzgdqbod3.3q.org, mail.dpoc.org plus two other host names have IP numbers in common with mail.checkknowledge.com.

Name Servers

The NS records for mail.checkknowledge.com delegate to ns1.afternic.com and ns2.afternic.com.

The name server configuration of mail.checkknowledge.com is shared with other domains, for instance barisal.com, rats.us, rsgd.com and two others.

The name servers of mail.checkknowledge.com overlap at least partially with those of other domains — among them syfd.com, nisbet.us, wqa.io and two more.

These name servers commonly co-occur with the name servers verification-ag3xtxqjhqhiyarqdrht2l.ns101.verify.hn, verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.

ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45. Likewise, ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45 — two IP addresses apiece.