knowhowlogy.net - robtex.com

knowhowlogy.net

DNSSEC⚠️ Not signed
A216.239.32.21🇺🇸 Google216.239.32.0/24
PTRany-in-2015.1e100.net
A216.239.34.21🇺🇸 Google216.239.34.0/24
A216.239.36.21🇺🇸 Google216.239.36.0/24
A216.239.38.21🇺🇸 Google216.239.38.0/24
NSns1.gandi.net ⭐
A2001:4b98:aaaa::2🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-1-a.gandi.net
A173.246.100.2🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A
PTRns-1-a.gandi.net
NSns-137-c.gandi.net
A2604:3400:aaac::8a🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.
PTRns-137-c.gandi.net
A217.70.187.138🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-137-c.gandi.net
NSns-140-a.gandi.net
A2001:4b98:aaaa::8d🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-140-a.gandi.net
A173.246.100.141🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A
PTRns-140-a.gandi.net
NSns-90-b.gandi.net
A2001:4b98:aaab::5b🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net
PTRns-90-b.gandi.net
A213.167.230.91🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider
PTRns-90-b.gandi.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c0b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbj-in-f27.1e100.net
A192.178.218.27🇺🇸 Google192.178.218.0/24
PTRyuiadtq-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1b🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
TXTgoogle-site-verification=horXxQYoWaFHEEzDT1FXc0_OFptwCTikUXXaNAURAyI
SOAns1.gandi.nethostmaster@gandi.net serial=1775692800

net

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=1776044282

Same first word

knowhowlogy.com
knowhowlogy.org
knowhowlogy.net

DNS History

21 records (13 active, 8 former)

20162017201820192020202120222023202420252026NSns-137-c.gandi.netns-140-a.gandi.netns-90-b.gandi.netns1.gandi.netns1.mydyndns.orgns1170.dns.dyn.comns2190.dns.dyn.comns3176.dns.dyn.comns4139.dns.dyn.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA216.239.32.21216.239.34.21216.239.36.21216.239.38.21216.146.39.125
●NSns-137-c.gandi.net2026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●NSns-140-a.gandi.net2026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●NSns-90-b.gandi.net2026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●NSns1.gandi.net2026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
○NSns1.mydyndns.org2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
○NSns1170.dns.dyn.com2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
○NSns2190.dns.dyn.com2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
○NSns3176.dns.dyn.com2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
○NSns4139.dns.dyn.com2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
●MXalt1.aspmx.l.google.com2015-07-17 → 2026-04-13 · 2 obs
● 2015-07-17 03:18:20
● 2026-04-13 01:58:48
●MXalt2.aspmx.l.google.com2015-07-17 → 2026-04-13 · 2 obs
● 2015-07-17 03:18:20
● 2026-04-13 01:58:48
●MXalt3.aspmx.l.google.com2026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●MXalt4.aspmx.l.google.com2026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●MXaspmx.l.google.com2015-07-17 → 2026-04-13 · 2 obs
● 2015-07-17 03:18:20
● 2026-04-13 01:58:48
○MXaspmx2.googlemail.com2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
○MXaspmx3.googlemail.com2015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
○A216.146.39.1252015-07-17 → 2016-08-20 · 4 obs
● 2015-07-17 03:18:20
● 2016-08-20 14:44:08
○ 2026-03-25 17:57:52
○ 2026-04-13 01:58:48
●A216.239.32.212026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●A216.239.34.212026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●A216.239.36.212026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48
●A216.239.38.212026-03-25 → 2026-04-13 · 3 obs
○ 2016-08-20 14:44:08
● 2026-03-25 17:57:52
● 2026-04-13 01:58:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...-
knowhowlogy.netns-140-a.gandi.net, ns-90-b.gandi.net, ns-137-c.gandi.net6 records

✅ Authoritative Response

Server:173.246.100.141

NS records: ns-140-a.gandi.net, ns-90-b.gandi.net, ns-137-c.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowhowlogy.net (unsigned zone)

⏱️ Timing

Total: 285ms | Queries: -

📄 Records

TypeCountSample Data
A4216.239.36.21, 216.239.34.21...
NS3ns-137-c.gandi.net, ns-140-a.gandi.net...
MX5alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)...
TXT2v=spf1 include:_spf.google.com ~all, google-site-verification=horXxQYoWaFHEEz
SOA1ns1.gandi.net hostmaster.gandi.net

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns-140-a.gandi.net, ns-140-a.gandi.net, ns-90-b.gandi.net...)

Analysis

IP Addresses

Four IP numbers are pointed to by knowhowlogy.net: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.

other host names including office-kitano.com, murasmail.com, blo-g.info, oresky.net and stainton.me share IP numbers with knowhowlogy.net.

Name Servers

knowhowlogy.net is delegated to four name servers: ns-137-c.gandi.net, ns-140-a.gandi.net, ns-90-b.gandi.net and ns1.gandi.net.

knowhowlogy.net at least partially shares name servers with other domains, for instance spf89.org, patekphilippe.org, latitude.ch, patekboutique-beirut.com and rmtelevagesenvironnement.org.

these name servers are commonly used with the name servers ns-211-c.gandi.net, ns-214-c.gandi.net, ns-96-a.gandi.net, ns-125-a.gandi.net, ns-79-b.gandi.net, ns-186-a.gandi.net, ns-57-b.gandi.net and ns-215-a.gandi.net.

Host names with two IP numbers:

ns-137-c.gandi.net points to 2604:3400:aaac::8a and 217.70.187.138; ns-140-a.gandi.net points to 2001:4b98:aaaa::8d and 173.246.100.141; ns-90-b.gandi.net points to 2001:4b98:aaab::5b and 213.167.230.91; ns1.gandi.net points to 2001:4b98:aaaa::2 and 173.246.100.2.

Mail Servers

knowhowlogy.net is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

knowhowlogy.net shares some mail servers with other domains, at least partially, for instance elesswires.com, app.10eqs.com, ns500841.ns500821.ns500821.ns500821.ns500795.ns500795.ns500821.ns500795.ns500794.ns500821.ns500795.ns500790.ns500795.lustypartnersfinder.com, bplogisticsgroup.com and zpays.net.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c0b::1b and 192.178.218.27

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.27

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.27

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26