2100.cool - robtex.com

2100.cool

DNSSEC⚠️ Not signed
A2606:4700:3108::ac42:2844🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3108::ac42:2bbc🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.40.68🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.66.43.188🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSns1.qgen.2100.cool.2100.cool ⭐ ⚠️ Not in parent delegation
A2400:cb00:2049:1::a29f:9a8🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.9.168Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSjavier.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::a29f:2ccc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjavier.ns.cloudflare.com
A2803:f800:50::6ca2:c3cc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjavier.ns.cloudflare.com
A2a06:98c1:50::ac40:23cc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjavier.ns.cloudflare.com
A108.162.195.204🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjavier.ns.cloudflare.com
A162.159.44.204Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjavier.ns.cloudflare.com
A172.64.35.204🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjavier.ns.cloudflare.com
NSns1.qgen.2100.cool ⚠️ Not in parent delegation
A2606:4700:3108::ac42:2844🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3108::ac42:2bbc🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A172.66.40.68🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
A172.66.43.188🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
NSns2.qgen.2100.cool ⚠️ Not in parent delegation
A2606:4700:3108::ac42:2844🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3108::ac42:2bbc🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A172.66.40.68🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
A172.66.43.188🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
NSns2.qgen.2100.cool.2100.cool ⚠️ Not in parent delegation
A2400:cb00:2049:1::a29f:bb8🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.11.184Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.qgen.2100.cool ⚠️ Not in parent delegation
A2606:4700:3108::ac42:2844🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3108::ac42:2bbc🇺🇸 Cloudflare2606:4700:3108::/48 101 Townsend Street, San Francisco, California 94107, US
A172.66.40.68🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
A172.66.43.188🇺🇸 Cloudflare172.66.40.0/21 101 Townsend Street, San Francisco, California 94107, US
NSns3.qgen.2100.cool.2100.cool ⚠️ Not in parent delegation
A2400:cb00:2049:1::c629:df6d🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A198.41.223.109Cloudflare198.41.223.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcf-198-41-223-109.cloudflare.com
NSrachel.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::adf5:3ad7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A2803:f800:50::6ca2:c0d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrachel.ns.cloudflare.com
A2a06:98c1:50::ac40:20d7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrachel.ns.cloudflare.com
A108.162.192.215🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A172.64.32.215🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A173.245.58.215🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A142.251.179.26🇺🇸 Google142.251.179.0/24
PTRpd-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.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)
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(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
TXT35.203.145.120
TXTfah-claim=002-02-9c7ef196-48ab-480f-841c-4122f85095d8
TXTgoogle-site-verification=EUVg1xIOCN2aLJoitL5DanAMDhGbC3XJqtTGjs7H-Es
TXTgoogle-site-verification=ejKcrkL4gDPD1me5SAosXt1s6lo4s_ely8BniTRU_kQ
TXTv=spf1 -all
TXTv=spf1 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints172.66.40.68, 172.66.43.188
IPv6 hints2606:4700:3108::ac42:2844, 2606:4700:3108::ac42:2bbc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAns1.qgen.2100.cool.2100.cooldns@cloudflare.com serial=2407039345

cool

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.cool ⭐
NSv0n1.nic.cool
NSv0n2.nic.cool
NSv0n3.nic.cool
NSv2n0.nic.cool
NSv2n1.nic.cool
SOAv0n0.nic.coolhostmaster@donuts.email serial=1781604304

Same first word

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2100.jp
2100.solutions
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2100.ph
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2100.la
2100.net
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2100.online

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0201.ru
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1200.es
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2001.co.il
2001.de
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DNS History

21 records (17 active, 4 former)

NSjavier.ns.cloudflare.comns1.qgen.2100.coolns1.qgen.2100.cool.2100.coolns2.qgen.2100.coolns2.qgen.2100.cool.2100.coolns3.qgen.2100.coolns3.qgen.2100.cool.2100.coolrachel.ns.cloudflare.comns05.domaincontrol.comns06.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA172.66.40.68172.66.43.1882606:4700:3108::ac42:28442606:4700:3108::ac42:2bbc13.248.213.4576.223.67.189
●NSjavier.ns.cloudflare.com2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
○NSns05.domaincontrol.com2026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 19:39:42
○ 2026-06-07 10:28:54
○ 2026-06-16 10:50:44
○NSns06.domaincontrol.com2026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 19:39:42
○ 2026-06-07 10:28:54
○ 2026-06-16 10:50:44
●NSns1.qgen.2100.cool2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●NSns1.qgen.2100.cool.2100.cool2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●NSns2.qgen.2100.cool2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●NSns2.qgen.2100.cool.2100.cool2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●NSns3.qgen.2100.cool2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●NSns3.qgen.2100.cool.2100.cool2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●NSrachel.ns.cloudflare.com2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●MXalt1.aspmx.l.google.com2026-06-07 → 2026-06-16 · 2 obs
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●MXalt2.aspmx.l.google.com2026-06-07 → 2026-06-16 · 2 obs
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●MXalt3.aspmx.l.google.com2026-06-07 → 2026-06-16 · 2 obs
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●MXalt4.aspmx.l.google.com2026-06-07 → 2026-06-16 · 2 obs
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●MXaspmx.l.google.com2026-06-07 → 2026-06-16 · 2 obs
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
○A13.248.213.452026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 19:39:42
○ 2026-06-07 10:28:54
○ 2026-06-16 10:50:44
●A172.66.40.682026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●A172.66.43.1882026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●A2606:4700:3108::ac42:28442026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
●A2606:4700:3108::ac42:2bbc2026-06-07 → 2026-06-16 · 3 obs
○ 2026-05-24 19:39:42
● 2026-06-07 10:28:54
● 2026-06-16 10:50:44
○A76.223.67.1892026-05-24 → 2026-05-24 · 3 obs
● 2026-05-24 19:39:42
○ 2026-06-07 10:28:54
○ 2026-06-16 10:50:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coolv0n0.nic.cool, v0n1.nic.cool, v0n2.nic.cool, v0n3.nic.cool...12 records
2100.cooljavier.ns.cloudflare.com, rachel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.215

NS records: javier.ns.cloudflare.com, rachel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 2100.cool (unsigned zone)

⏱️ Timing

Total: 821ms | Queries: -

📄 Records

TypeCountSample Data
A2172.66.40.68, 172.66.43.188
AAAA22606:4700:3108::ac42:2bbc, 2606:4700:3108::ac42:2844
NS6ns2.qgen.2100.cool.2100.cool, ns3.qgen.2100.cool.2100.cool...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT635.203.145.120, fah-claim=002-02-9c7ef196-48ab-480f-841c...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ns1.qgen.2100.cool.2100.cool dns.cloudfl

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.cool, v0n0.nic.cool, v0n1.nic.cool...)

Analysis

IP Addresses

2100.cool points to the four IP addresses 172.66.40.68, 172.66.43.188, 2606:4700:3108::ac42:2844 and 2606:4700:3108::ac42:2bbc.

Two other host names, along with gudpal.com, rakia.ai and www.orthodonticexprts.com, also share IP numbers with 2100.cool.

Name Servers

2100.cool delegates authority to 8 name servers: javier.ns.cloudflare.com, rachel.ns.cloudflare.com, ns1.qgen.2100.cool plus 5 other.

The name servers of 2100.cool overlap at least partially with those of other domains — among them toptuner.pl, nubistek.com, ledger-bitcoin-recovery.com and two more.

These name servers commonly appear in combination with the name servers celeste.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname javier.ns.cloudflare.com directs to 108.162.195.204, 162.159.44.204 and 172.64.35.204 along with 3 other IP addresses.

Hostname rachel.ns.cloudflare.com directs to 108.162.192.215, 172.64.32.215 and 173.245.58.215 along with 3 other IP addresses.

Host names that resolve to four IP numbers:

ns1.qgen.2100.cool resolves to 172.66.40.68, 172.66.43.188, 2606:4700:3108::ac42:2844 and 2606:4700:3108::ac42:2bbc.

ns2.qgen.2100.cool resolves to 172.66.40.68, 172.66.43.188, 2606:4700:3108::ac42:2844 and 2606:4700:3108::ac42:2bbc.

ns3.qgen.2100.cool resolves to 172.66.40.68, 172.66.43.188, 2606:4700:3108::ac42:2844 and 2606:4700:3108::ac42:2bbc.

Host names that have two IP addresses:

ns1.qgen.2100.cool.2100.cool directs traffic to 162.159.9.168 and 2400:cb00:2049:1::a29f:9a8.

ns2.qgen.2100.cool.2100.cool directs traffic to 162.159.11.184 and 2400:cb00:2049:1::a29f:bb8.

ns3.qgen.2100.cool.2100.cool directs traffic to 198.41.223.109 and 2400:cb00:2049:1::c629:df6d.

Each of ns1.qgen.2100.cool, ns2.qgen.2100.cool and ns3.qgen.2100.cool resolves to 2606:4700:3108::ac42:2844.

Each of ns1.qgen.2100.cool, ns2.qgen.2100.cool and ns3.qgen.2100.cool resolves to 2606:4700:3108::ac42:2bbc.

Each of ns1.qgen.2100.cool, ns2.qgen.2100.cool and ns3.qgen.2100.cool resolves to 172.66.40.68.

Each of ns1.qgen.2100.cool, ns2.qgen.2100.cool and ns3.qgen.2100.cool resolves to 172.66.43.188.

Mail Servers

2100.cool has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between 2100.cool and other domains, including fivestarauto.info, thebroadcastbooth.com, ns500841.ns500841.ns500841.ns500794.ns500794.ns500794.ns500821.ns500821.ns500794.ns500795.ns500794.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com directs traffic to 142.251.179.26 and 2607:f8b0:4004:c1d::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

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

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

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1a.