pycogent.org - robtex.com

pycogent.org

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:12bf🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b725🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.191Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.37🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkurt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bc1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
A2803:f800:50::6ca2:c1c1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkurt.ns.cloudflare.com
A2a06:98c1:50::ac40:21c1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkurt.ns.cloudflare.com
A108.162.193.193🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
A172.64.33.193🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
A173.245.59.193🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkurt.ns.cloudflare.com
NSlila.ns.cloudflare.com
A2606:4700:50::adf5:3aba🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A2803:f800:50::6ca2:c0ba🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlila.ns.cloudflare.com
A2a06:98c1:50::ac40:20ba🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlila.ns.cloudflare.com
A108.162.192.186🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A172.64.32.186🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
A173.245.58.186🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlila.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.191, 172.67.183.37
IPv6 hints2606:4700:3036::6815:12bf, 2606:4700:3037::ac43:b725
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOAkurt.ns.cloudflare.comdns@cloudflare.com serial=2407398739

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1785763222

Same first word

pycogent.org

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSkurt.ns.cloudflare.comlila.ns.cloudflare.comaarav.ns.cloudflare.comelaine.ns.cloudflare.comns57.domaincontrol.comns58.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.18.191172.67.183.372606:4700:3036::6815:12bf2606:4700:3037::ac43:b725192.30.252.153192.30.252.154
○NSaarav.ns.cloudflare.com2026-05-23 → 2026-05-23 · 4 obs
○ 2018-01-29 21:31:36
● 2026-05-23 18:41:44
○ 2026-06-29 04:53:12
○ 2026-08-03 13:40:18
○NSelaine.ns.cloudflare.com2026-05-23 → 2026-05-23 · 4 obs
○ 2018-01-29 21:31:36
● 2026-05-23 18:41:44
○ 2026-06-29 04:53:12
○ 2026-08-03 13:40:18
●NSkurt.ns.cloudflare.com2026-06-29 → 2026-08-03 · 3 obs
○ 2026-05-23 18:41:44
● 2026-06-29 04:53:12
● 2026-08-03 13:40:18
●NSlila.ns.cloudflare.com2026-06-29 → 2026-08-03 · 3 obs
○ 2026-05-23 18:41:44
● 2026-06-29 04:53:12
● 2026-08-03 13:40:18
○NSns57.domaincontrol.com2015-07-17 → 2018-01-29 · 4 obs
● 2015-07-17 16:14:16
● 2018-01-29 21:31:36
○ 2026-05-23 18:41:44
○ 2026-08-03 13:40:18
○NSns58.domaincontrol.com2015-07-17 → 2018-01-29 · 4 obs
● 2015-07-17 16:14:16
● 2018-01-29 21:31:36
○ 2026-05-23 18:41:44
○ 2026-08-03 13:40:18
○MXmailstore1.secureserver.net2015-07-17 → 2018-01-29 · 4 obs
● 2015-07-17 16:14:16
● 2018-01-29 21:31:36
○ 2026-05-23 18:41:44
○ 2026-08-03 13:40:18
○MXsmtp.secureserver.net2015-07-17 → 2018-01-29 · 4 obs
● 2015-07-17 16:14:16
● 2018-01-29 21:31:36
○ 2026-05-23 18:41:44
○ 2026-08-03 13:40:18
●A104.21.18.1912026-06-29 → 2026-08-03 · 3 obs
○ 2026-05-23 18:41:44
● 2026-06-29 04:53:12
● 2026-08-03 13:40:18
●A172.67.183.372026-06-29 → 2026-08-03 · 3 obs
○ 2026-05-23 18:41:44
● 2026-06-29 04:53:12
● 2026-08-03 13:40:18
○A192.30.252.1532015-07-17 → 2018-01-29 · 4 obs
● 2015-07-17 16:14:16
● 2018-01-29 21:31:36
○ 2026-05-23 18:41:44
○ 2026-08-03 13:40:18
○A192.30.252.1542015-07-17 → 2018-01-29 · 4 obs
● 2015-07-17 16:14:16
● 2018-01-29 21:31:36
○ 2026-05-23 18:41:44
○ 2026-08-03 13:40:18
●A2606:4700:3036::6815:12bf2026-06-29 → 2026-08-03 · 3 obs
○ 2026-05-23 18:41:44
● 2026-06-29 04:53:12
● 2026-08-03 13:40:18
●A2606:4700:3037::ac43:b7252026-06-29 → 2026-08-03 · 3 obs
○ 2026-05-23 18:41:44
● 2026-06-29 04:53:12
● 2026-08-03 13:40:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
pycogent.orglila.ns.cloudflare.com, kurt.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.193

NS records: lila.ns.cloudflare.com, kurt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pycogent.org (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.18.191, 172.67.183.37
AAAA22606:4700:3037::ac43:b725, 2606:4700:3036::6815:12bf
NS2kurt.ns.cloudflare.com, lila.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kurt.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

pycogent.org directs to four IP numbers, which are 104.21.18.191, 172.67.183.37, 2606:4700:3036::6815:12bf and 2606:4700:3037::ac43:b725.

2bsps2nef.de, 33win77.click, creditmax.ro plus two other host names have IP numbers in common with pycogent.org.

Name Servers

Two name servers handle the delegation for pycogent.org: kurt.ns.cloudflare.com and lila.ns.cloudflare.com.

The name server configuration of pycogent.org is shared with other domains, for instance atomicfin.click, armyearth.click, sarkoon.com and two others.

There is at least partial name server overlap between pycogent.org and other domains — portoessencial.com.br, palusakcomputerservices.com, 19477.cfd and two more among them.

These name servers tend to appear in combination with the name servers miki.ns.cloudflare.com, sullivan.ns.cloudflare.com, alexis.ns.cloudflare.com and clyde.ns.cloudflare.com.

Hosts with 6 IP addresses each:

kurt.ns.cloudflare.com resolves to 108.162.193.193, 172.64.33.193 and 173.245.59.193 among others, with 3 other IP addresses in total.

lila.ns.cloudflare.com resolves to 108.162.192.186, 172.64.32.186 and 173.245.58.186 among others, with 3 other IP addresses in total.