knowtutor.com - robtex.com

knowtutor.com

DNSSEC⚠️ Not signed
A172.233.219.49🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies
PTRk8s-svc-lander-shared-us-ord-03.parklogic.net
A172.233.219.78🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies
A172.233.219.123🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies
A172.237.146.8🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
A172.237.146.25🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
A172.237.146.38🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies
NSns1.parklogic.com ⭐
A2001:19f0:6000:39be:5400:6ff:fe0b:e907🇺🇸 AS-VULTR2001:19f0:6000::/38 Vultr Assigned Prefix
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
PTR149.28.95.10.vultrusercontent.com
NSns2.parklogic.com
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
MXmx1.emailsendhub.com ⭐
A216.127.132.23🇺🇸 XECUNET216.127.128.0/19 Customer Proxy - Xecunet LLC AS13694
PTRinbound1.emailsendhub.com
A216.127.132.24🇺🇸 XECUNET216.127.128.0/19 Customer Proxy - Xecunet LLC AS13694
PTRinbound2.emailsendhub.com
TXTv=spf1 -all
SOAns1.parklogic.comhostmaster@knowtutor.com 2019-10-23 #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=1776010672

Subdomains

mail.knowtutor.com

Same first word

knowtutor.com

DNS History

14 records (9 active, 5 former)

20162017201820192020202120222023202420252026NSns1.parklogic.comns2.parklogic.comns1.justhost.comns2.justhost.comMXmx1.emailsendhub.commail.knowtutor.commx156.hostedmxserver.comA172.233.219.123172.233.219.49172.233.219.78172.237.146.25172.237.146.38172.237.146.8173.254.28.71
○NSns1.justhost.com2015-08-21 → 2020-03-11 · 4 obs
● 2015-08-21 01:08:28
● 2020-03-11 09:45:32
○ 2026-04-06 17:56:36
○ 2026-04-12 16:18:26
●NSns1.parklogic.com2026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
○NSns2.justhost.com2015-08-21 → 2020-03-11 · 4 obs
● 2015-08-21 01:08:28
● 2020-03-11 09:45:32
○ 2026-04-06 17:56:36
○ 2026-04-12 16:18:26
●NSns2.parklogic.com2026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
○MXmail.knowtutor.com2015-08-21 → 2020-03-11 · 4 obs
● 2015-08-21 01:08:28
● 2020-03-11 09:45:32
○ 2026-04-06 17:56:36
○ 2026-04-12 16:18:26
●MXmx1.emailsendhub.com2026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
○MXmx156.hostedmxserver.com2026-04-06 → 2026-04-12 · 2 obs
○ 2026-04-06 17:56:36
○ 2026-04-12 16:18:26
●A172.233.219.1232026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
●A172.233.219.492026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
●A172.233.219.782026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
●A172.237.146.252026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
●A172.237.146.382026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
●A172.237.146.82026-04-06 → 2026-04-12 · 3 obs
○ 2020-03-11 09:45:32
● 2026-04-06 17:56:36
● 2026-04-12 16:18:26
○A173.254.28.712015-08-21 → 2020-03-11 · 4 obs
● 2015-08-21 01:08:28
● 2020-03-11 09:45:32
○ 2026-04-06 17:56:36
○ 2026-04-12 16:18:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
knowtutor.comns1.parklogic.com, ns2.parklogic.com12 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: 236ms | Queries: -

📄 Records

TypeCountSample Data
A6172.233.219.78, 172.233.219.123...
NS2ns2.parklogic.com, ns1.parklogic.com
MX1mx1.emailsendhub.com (pri: 10)
TXT1v=spf1 -all
SOA1ns1.parklogic.com hostmaster.knowtutor.c

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns1.parklogic.com, ns1.parklogic.com, ns1.parklogic.com...)

Analysis

Hierarchy

The parent of mail.knowtutor.com is knowtutor.com.

IP Addresses

Six IP numbers are pointed to by knowtutor.com: 172.233.219.49, 172.233.219.78, 172.233.219.123, 172.237.146.8, 172.237.146.25 and 172.237.146.38.

Other host names, for instance www.xossipz.com, www.m4u.info, lawang.id, petvaluemart.com and lordserial30.life share IP numbers with knowtutor.com.

Name Servers

knowtutor.com is delegated to two name servers: ns1.parklogic.com and ns2.parklogic.com.

knowtutor.com uses the same name server setup as other domains, for instance fulltvstream.com, www.08893.com, ww06.siambit.tv, mdlb01.parklogic.com and bethlehemchristma(0x736c7574)heran.org.

knowtutor.com shares name servers with other domains at least partially, for instance fssys.com, liondolularhenewre.com, gabex-lift.de, forex-knowledge.com and khovoucher.com.

these name servers are commonly used with the name servers ns1.fp261.parklogic.com, ns2.fp261.parklogic.com, ns1.gm111.parklogic.com, ns2.gm111.parklogic.com, ns1.gd23.parklogic.com, ns2.gd23.parklogic.com, ns1.oh313.parklogic.com, ns2.oh313.parklogic.com, ns3.parklogic.com and ns1.ii51.parklogic.com.

Host names with six IP numbers: ns1.parklogic.com points to 2001:19f0:6000:39be:5400:6ff:fe0b:e907, 50.28.104.44, 50.116.34.34, 69.39.238.36, 69.39.238.37 and 149.28.95.10; ns2.parklogic.com points to 2001:19f0:5c00:481f:5400:6ff:fe0b:e87c, 45.79.197.241, 50.28.102.86, 66.42.120.24, 216.38.8.120 and 216.38.8.121.

Mail Servers

The mail server for knowtutor.com is mx1.emailsendhub.com.

knowtutor.com shares the same mail server setup as other domains, including ns1.twelve-am.com, siifindings.com, mobast.org, girlbossboutique.com and www.celebsheaven.com.

Host name mx1.emailsendhub.com resolves to two IPs: 216.127.132.23 and 216.127.132.24.