tc73.nl - robtex.com

tc73.nl

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:d2🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:804a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.0.210Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.74🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjihoon.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ce9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjihoon.ns.cloudflare.com
A2803:f800:50::6ca2:c3e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjihoon.ns.cloudflare.com
A2a06:98c1:50::ac40:23e9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjihoon.ns.cloudflare.com
A108.162.195.233🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjihoon.ns.cloudflare.com
A162.159.44.233Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjihoon.ns.cloudflare.com
A172.64.35.233🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjihoon.ns.cloudflare.com
NSpam.ns.cloudflare.com
A2606:4700:50::adf5:3a8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A2803:f800:50::6ca2:c08a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpam.ns.cloudflare.com
A2a06:98c1:50::ac40:208a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpam.ns.cloudflare.com
A108.162.192.138🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A172.64.32.138🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
A173.245.58.138🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpam.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(10)
A2a00:1450:4025:402::1a🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f26.1e100.net
A142.250.102.27🇺🇸 Google142.250.102.0/24
PTRrb-in-f27.1e100.net
MXalt2.aspmx.l.google.com(10)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(15)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(15)
A2a00:1450:4025:c01::1a🇵🇱 Google2a00:1450:4025::/48
PTRrd-in-f26.1e100.net
A142.250.147.27🇺🇸 Google142.250.147.0/24
PTRrd-in-f27.1e100.net
TXTv=spf1 mx a include:sendgrid.net include:servers.mcsv.net include:_spf.google...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.0.210, 172.67.128.74
IPv62606:4700:3033::6815:d2, 2606:4700:3037::ac43:804a
SOAjihoon.ns.cloudflare.comdns@cloudflare.com serial=2399495848

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-03-27 05:30:01 +0000 (EPOCH 1774589401)
SOAns1.dns.nldns@sidn.nl 2026-03-27 #11

Same first word

tc73.nl
tc73.xyz
tc73.com

Similar names

37ct.com
7tc3.com
ct73.com
37tc.com

DNS History

20 records (11 active, 9 former)

20162017201820192020202120222023202420252026NSjihoon.ns.cloudflare.compam.ns.cloudflare.combe.ns.vip.nldns.resolver.domainsns1.helderhosting.nlns2.helderhosting.nlusa.ns.vip.nlMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comsmtp01.mx.p-client.netsmtp02.mx.p-client.netA104.21.0.210172.67.128.742606:4700:3033::6815:d22606:4700:3037::ac43:804a35.204.159.3554.210.237.205
○NSbe.ns.vip.nl2020-03-26 → 2020-03-26 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
○NSdns.resolver.domains2020-03-26 → 2020-03-26 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
●NSjihoon.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs
○ 2020-03-26 16:17:22
● 2026-03-27 06:12:16
○NSns1.helderhosting.nl2015-08-11 → 2016-12-30 · 4 obs
● 2015-08-11 18:26:04
● 2016-12-30 13:44:32
○ 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
○NSns2.helderhosting.nl2015-08-11 → 2016-12-30 · 4 obs
● 2015-08-11 18:26:04
● 2016-12-30 13:44:32
○ 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
●NSpam.ns.cloudflare.com2026-03-27 → 2026-03-27 · 2 obs
○ 2020-03-26 16:17:22
● 2026-03-27 06:12:16
○NSusa.ns.vip.nl2020-03-26 → 2020-03-26 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
●MXalt1.aspmx.l.google.com2020-03-26 → 2026-03-27 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●MXalt2.aspmx.l.google.com2020-03-26 → 2026-03-27 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●MXalt3.aspmx.l.google.com2020-03-26 → 2026-03-27 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●MXalt4.aspmx.l.google.com2020-03-26 → 2026-03-27 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●MXaspmx.l.google.com2020-03-26 → 2026-03-27 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
● 2026-03-27 06:12:16
○MXsmtp01.mx.p-client.net2015-08-11 → 2016-12-30 · 4 obs
● 2015-08-11 18:26:04
● 2016-12-30 13:44:32
○ 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
○MXsmtp02.mx.p-client.net2015-08-11 → 2016-12-30 · 4 obs
● 2015-08-11 18:26:04
● 2016-12-30 13:44:32
○ 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
●A104.21.0.2102026-03-27 → 2026-03-27 · 2 obs
○ 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●A172.67.128.742026-03-27 → 2026-03-27 · 2 obs
○ 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●A2606:4700:3033::6815:d22026-03-27 → 2026-03-27 · 2 obs
○ 2020-03-26 16:17:22
● 2026-03-27 06:12:16
●A2606:4700:3037::ac43:804a2026-03-27 → 2026-03-27 · 2 obs
○ 2020-03-26 16:17:22
● 2026-03-27 06:12:16
○A35.204.159.352020-03-26 → 2020-03-26 · 3 obs
○ 2016-12-30 13:44:32
● 2020-03-26 16:17:22
○ 2026-03-27 06:12:16
○A54.210.237.2052015-08-11 → 2016-12-30 · 4 obs
● 2015-08-11 18:26:04
● 2016-12-30 13:44:32
○ 2020-03-26 16:17:22
○ 2026-03-27 06:12:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
tc73.nlpam.ns.cloudflare.com, jihoon.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.233

NS records: pam.ns.cloudflare.com, jihoon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tc73.nl (unsigned zone)

⏱️ Timing

Total: 478ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.128.74, 104.21.0.210
AAAA22606:4700:3037::ac43:804a, 2606:4700:3033::6815:d2
NS2jihoon.ns.cloudflare.com, pam.ns.cloudflare.com
MX5alt1.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 10)...
TXT1v=spf1 mx a include:sendgrid.net include
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jihoon.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

tc73.nl points to four IP numbers: 2606:4700:3033::6815:d2, 2606:4700:3037::ac43:804a, 104.21.0.210 and 172.67.128.74.

Other host names, for instance nihilus.org, fubarcity.com, 400hb.com, www.marilith.com.cdn.cloudflare.net and www.theescapeschool.com.cdn.cloudflare.net share IP numbers with tc73.nl.

Name Servers

Delegation for tc73.nl rests with two name servers, jihoon.ns.cloudflare.com and pam.ns.cloudflare.com.

tc73.nl shares the same name server setup with other domains, such as virtech.nl and cs-ars.ru.

tc73.nl at least partially shares name servers with other domains, for instance shn.nu, shivayhost.in, felixq.com, nakrutka-komnat-yappy.ru and saulcrumpton.com.

These name servers are commonly used with the name servers blair.ns.cloudflare.com.

Host names with six IP numbers: jihoon.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce9, 2803:f800:50::6ca2:c3e9, 2a06:98c1:50::ac40:23e9, 108.162.195.233, 162.159.44.233 and 172.64.35.233. pam.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8a, 2803:f800:50::6ca2:c08a, 2a06:98c1:50::ac40:208a, 108.162.192.138, 172.64.32.138 and 173.245.58.138.

Mail Servers

tc73.nl 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.

tc73.nl shares mail servers with other domains at least in part, for instance ns500671.ns500742.ns500731.ns500754.ns500704.ns500671.ns500742.ns500671.ns500705.ns500671.ns500671.ns500671.ns500131.lustychickser.com, ns500754.ns500754.ns500742.ns500754.ns500754.ns500704.ns500731.ns500688.ns500705.ns500688.ns500705.ns500678.ns500688.tenderladiesbz.com, ns500821.ns500841.ns500841.ns500821.ns500794.ns500821.ns500795.ns500795.ns500794.ns500790.lustypartnersfinder.com, blridge.jp and vauris.com.

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:c1b::1a and 172.253.62.27.

alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.27.

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.27.

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26.

alt4.aspmx.l.google.com points to 2a00:1450:4025:c01::1a and 142.250.147.27.