mail.knowtutor.com - dns.ninja

mail.knowtutor.com

DNSSEC⚠️ Not signed
A172.237.146.18🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
PTRk8s-svc-lander-seth-us-ord-01.parklogic.net
A172.237.146.39🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
A172.237.146.46🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
NSns1.parklogic.com ⭐ ⚠️ Not in parent delegation
A2001:19f0:6000:39be:5400:6ff:fe0b:e907🇺🇸 AS-VULTR2001:19f0:6000::/38 Vultr Assigned Prefix
PTRdns-dnsdist-us-lax-01.parklogic.net
A50.28.104.44🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West
PTRpistachio.parklogic.com
A50.116.34.34🇺🇸 AKAMAI-LINODE-AP50.116.32.0/20 Akamai Technologies
PTRlemonade.parklogic.com
A69.39.238.36🇺🇸 ASN-CQ-GIGENET69.39.224.0/20 GigENET Route
PTRsandstone1.parklogic.com
A69.39.238.37🇺🇸 ASN-CQ-GIGENET69.39.224.0/20 GigENET Route
PTRsandstone2.parklogic.com
A149.28.95.10🇺🇸 AS-VULTR149.28.64.0/19 Vultr Assigned Prefix
PTRdns-dnsdist-us-lax-01.parklogic.net
NSns2.parklogic.com ⚠️ Not in parent delegation
A2001:19f0:5c00:481f:5400:6ff:fe0b:e87c🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix
A45.79.197.241🇺🇸 AKAMAI-LINODE-AP45.79.192.0/19 Akamai Technologies
PTRbubblegum.parklogic.com
A50.28.102.86🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West
PTRbiscotti.parklogic.com
A66.42.120.24🇺🇸 AS-VULTR66.42.112.0/20 Vultr Assigned Prefix
PTR66-42-120-24.choopa.net
A216.38.8.120🇺🇸 ASN-CQ-GIGENET216.38.0.0/19 GigENET Route
PTRshamrock1.parklogic.com
A216.38.8.121🇺🇸 ASN-CQ-GIGENET216.38.0.0/19 GigENET Route
PTRshamrock2.parklogic.com
MXmx156.hostedmxserver.com ⭐
A147.182.130.78🇺🇸 DIGITALOCEAN147.182.128.0/20 DigitalOcean
A147.182.160.18🇺🇸 DIGITALOCEAN147.182.160.0/20 DigitalOcean
A147.182.180.139🇺🇸 DIGITALOCEAN147.182.176.0/20 DigitalOcean
A147.182.189.184🇺🇸 DIGITALOCEAN147.182.176.0/20 DigitalOcean
A164.90.197.79🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
A164.90.197.105🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
A164.90.197.143🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
A164.90.197.162🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean
TXTv=spf1 -all
SOAns1.parklogic.comhostmaster@knowtutor.com 2019-10-23 #1

knowtutor.com

DNSSEC⚠️ Not signed
A172.237.146.18🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
A172.237.146.39🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
A172.237.146.46🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
NSns1.parklogic.com ⭐
NSns2.parklogic.com
MXmx156.hostedmxserver.com ⭐
TXTv=spf1 -all
SOAns1.parklogic.comhostmaster@knowtutor.com 2019-10-23 #1

Previously MX for

knowtutor.com

Same first word

mail.com.tr
mail.ai
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mial.jp
mail.caa.li
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mail.gov.ls
mail.edu.tt
mail.si
ilam.us
mail.gov.rw

DNS History

20 records (6 active, 14 former)

20162017201820192020202120222023202420252026NSns1.parklogic.comns2.parklogic.comMXmx156.hostedmxserver.commx1.emailsendhub.comA172.237.146.18172.237.146.39172.237.146.46172.233.212.129172.233.212.151172.233.212.224172.233.212.90172.233.219.123172.233.219.49172.233.219.78172.234.31.13172.237.146.25172.237.146.38172.237.146.49172.237.146.8173.254.28.71
●NSns1.parklogic.com2026-04-07 → 2026-07-11 · 2 obs
● 2026-04-07 09:23:18
● 2026-07-11 13:26:44
●NSns2.parklogic.com2026-04-07 → 2026-07-11 · 2 obs
● 2026-04-07 09:23:18
● 2026-07-11 13:26:44
○MXmx1.emailsendhub.com2026-04-07 → 2026-05-16 · 4 obs
● 2026-04-07 09:23:18
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
●MXmx156.hostedmxserver.com2026-07-09 → 2026-07-11 · 3 obs
○ 2026-05-16 16:10:14
● 2026-07-09 17:45:38
● 2026-07-11 13:26:44
○A172.233.212.1292026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-08 05:30:30
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
○A172.233.212.1512026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-08 05:30:30
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
○A172.233.212.2242026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-08 05:30:30
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
○A172.233.212.902026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-08 05:30:30
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
○A172.233.219.1232026-04-07 → 2026-05-08 · 5 obs
○ 2016-07-23 08:20:24
● 2026-04-07 09:23:18
● 2026-05-08 05:30:30
○ 2026-05-16 16:10:14
○ 2026-07-11 13:26:44
○A172.233.219.492026-04-07 → 2026-05-08 · 5 obs
○ 2016-07-23 08:20:24
● 2026-04-07 09:23:18
● 2026-05-08 05:30:30
○ 2026-05-16 16:10:14
○ 2026-07-11 13:26:44
○A172.233.219.782026-04-07 → 2026-05-08 · 5 obs
○ 2016-07-23 08:20:24
● 2026-04-07 09:23:18
● 2026-05-08 05:30:30
○ 2026-05-16 16:10:14
○ 2026-07-11 13:26:44
○A172.234.31.132026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-08 05:30:30
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
●A172.237.146.182026-07-09 → 2026-07-11 · 3 obs
○ 2026-05-16 16:10:14
● 2026-07-09 17:45:38
● 2026-07-11 13:26:44
○A172.237.146.252026-04-07 → 2026-05-08 · 5 obs
○ 2016-07-23 08:20:24
● 2026-04-07 09:23:18
● 2026-05-08 05:30:30
○ 2026-05-16 16:10:14
○ 2026-07-11 13:26:44
○A172.237.146.382026-04-07 → 2026-05-08 · 5 obs
○ 2016-07-23 08:20:24
● 2026-04-07 09:23:18
● 2026-05-08 05:30:30
○ 2026-05-16 16:10:14
○ 2026-07-11 13:26:44
●A172.237.146.392026-07-09 → 2026-07-11 · 3 obs
○ 2026-05-16 16:10:14
● 2026-07-09 17:45:38
● 2026-07-11 13:26:44
●A172.237.146.462026-07-09 → 2026-07-11 · 3 obs
○ 2026-05-16 16:10:14
● 2026-07-09 17:45:38
● 2026-07-11 13:26:44
○A172.237.146.492026-05-16 → 2026-05-16 · 4 obs
○ 2026-05-08 05:30:30
● 2026-05-16 16:10:14
○ 2026-07-09 17:45:38
○ 2026-07-11 13:26:44
○A172.237.146.82026-04-07 → 2026-05-08 · 5 obs
○ 2016-07-23 08:20:24
● 2026-04-07 09:23:18
● 2026-05-08 05:30:30
○ 2026-05-16 16:10:14
○ 2026-07-11 13:26:44
○A173.254.28.712015-08-19 → 2016-07-23 · 4 obs
● 2015-08-19 21:10:38
● 2016-07-23 08:20:24
○ 2026-04-07 09:23:18
○ 2026-07-11 13:26:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net...-
knowtutor.comns1.parklogic.com, ns2.parklogic.com14 records

✅ Authoritative Response

Server:216.38.8.120

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowtutor.com (unsigned zone)

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

TypeCountSample Data
A3172.237.146.18, 172.237.146.39...
NS2ns2.parklogic.com, ns1.parklogic.com
MX1mx156.hostedmxserver.com (pri: 60)
TXT1v=spf1 -all
SOA1ns1.parklogic.com hostmaster.knowtutor.c

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.parklogic.com, ns1.parklogic.com, ns1.parklogic.com...)

Analysis

IP Addresses

mail.knowtutor.com resolves to three IP addresses: 172.237.146.18, 172.237.146.39 and 172.237.146.46.

Among the host names that share IP numbers with mail.knowtutor.com are cookinchefs.com, sber.covid-19.result.alnokhba-labs.com, 9anime.org and two others.

Name Servers

mail.knowtutor.com has two authoritative name servers — ns1.parklogic.com and ns2.parklogic.com.

mail.knowtutor.com has the same name server delegation as a number of other domains, such as krave.it, cuevana.tv, cdn.eejcdn.top and two more.

mail.knowtutor.com shares at least some of its name servers with other domains, including websites.ws, xpa8z7g.com, hotelinsula.com and two others.

These name servers are frequently seen alongside the name servers ns3.parklogic.com.

Host names resolving to 6 IP numbers:

ns1.parklogic.com points to 50.28.104.44, 50.116.34.34, 69.39.238.36 and 3 other IP addresses.

ns2.parklogic.com points to 45.79.197.241, 50.28.102.86, 66.42.120.24 and 3 other IP addresses.

Mail Servers

mail.knowtutor.com routes its mail through a single mail server, mx156.hostedmxserver.com.

mail.knowtutor.com has the same mail server arrangement as a number of other domains, for example piratos.de, kingdombutterfly.com, (0x706f726e)bae.com and two more.

mx156.hostedmxserver.com directs to 8 IP numbers, including 147.182.130.78, 147.182.160.18 and 147.182.180.139, along with 5 other.