thecsf.org - robtex.com

thecsf.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:1fb7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b325🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.183Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.179.37🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShoward.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A2803:f800:50::6ca2:c3ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhoward.ns.cloudflare.com
A2a06:98c1:50::ac40:23ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhoward.ns.cloudflare.com
A108.162.195.171🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A162.159.44.171Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
A172.64.35.171🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhoward.ns.cloudflare.com
NSnorah.ns.cloudflare.com
A2606:4700:50::a29f:2646🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A2803:f800:50::6ca2:c246🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnorah.ns.cloudflare.com
A2a06:98c1:50::ac40:2246🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnorah.ns.cloudflare.com
A108.162.194.70🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A162.159.38.70Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
A172.64.34.70🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnorah.ns.cloudflare.com
MXghs.google.com ⭐
A2607:f8b0:4006:811::2013🇺🇸 Google2607:f8b0:4006::/48
PTRlclgaa-ba-in-x13.1e100.net
PTRlga34s15-in-x13.1e100.net
A142.251.210.51🇺🇸 Google142.250.0.0/15
PTRlclgaa-ba-in-f19.1e100.net
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.31.183, 172.67.179.37
IPv62606:4700:3034::6815:1fb7, 2606:4700:3037::ac43:b325
SOAhoward.ns.cloudflare.comdns@cloudflare.com serial=2397640712

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=1774779707
rank #670822 globally
rank #49074 in the tld
WOT: SAFE (79/100)

Previously MX for

www.thecsf.org
thecsf.org

Subdomains

www.thecsf.org

Same first word

thecsf.org

Similar names

fescht.com
fetsch.de
thescf.org.au
techsf.ru
techsf.org
thescf.org
fetchs.com
fetsch.eu
ftechs.co.uk
fetsch.com
thefcs.org
fstech.net
thescf.com
sftech.one
fetsch.ch
sethfc.com
fechts.de
sftech.ch
fstech.com.tw
thesfc.com
tchefs.com
techfs.com
fstech.io
shftec.com
fstech.co.za
fsehct.de
thefsc.com
fstech.jp
fshtec.com
sftech.de
fstech.co.uk
sethfc.org
tschef.net

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NShoward.ns.cloudflare.comnorah.ns.cloudflare.comns1.teaminertia.comns2.teaminertia.comns27.interactivedns.comns28.interactivedns.comMXghs.google.comthecsf.orgA104.21.31.183172.67.179.372606:4700:3034::6815:1fb72606:4700:3037::ac43:b325107.191.33.252208.43.123.40
●NShoward.ns.cloudflare.com2026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44
●NSnorah.ns.cloudflare.com2026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44
○NSns1.teaminertia.com2015-05-10 → 2016-03-18 · 4 obs
● 2015-05-10 13:09:22
● 2016-03-18 00:04:46
○ 2016-09-14 13:48:42
○ 2026-03-29 10:44:44
○NSns2.teaminertia.com2015-05-10 → 2016-03-18 · 4 obs
● 2015-05-10 13:09:22
● 2016-03-18 00:04:46
○ 2016-09-14 13:48:42
○ 2026-03-29 10:44:44
○NSns27.interactivedns.com2016-09-14 → 2017-04-07 · 5 obs
○ 2016-03-18 00:04:46
● 2016-09-14 13:48:42
● 2017-04-07 09:39:10
○ 2026-03-28 06:22:00
○ 2026-03-29 10:44:44
○NSns28.interactivedns.com2016-09-14 → 2017-04-07 · 5 obs
○ 2016-03-18 00:04:46
● 2016-09-14 13:48:42
● 2017-04-07 09:39:10
○ 2026-03-28 06:22:00
○ 2026-03-29 10:44:44
●MXghs.google.com2026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44
○MXthecsf.org2015-05-10 → 2017-04-07 · 4 obs
● 2015-05-10 13:09:22
● 2017-04-07 09:39:10
○ 2026-03-28 06:22:00
○ 2026-03-29 10:44:44
●A104.21.31.1832026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44
○A107.191.33.2522016-09-14 → 2017-04-07 · 5 obs
○ 2016-03-18 00:04:46
● 2016-09-14 13:48:42
● 2017-04-07 09:39:10
○ 2026-03-28 06:22:00
○ 2026-03-29 10:44:44
●A172.67.179.372026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44
○A208.43.123.402015-05-10 → 2016-03-18 · 4 obs
● 2015-05-10 13:09:22
● 2016-03-18 00:04:46
○ 2016-09-14 13:48:42
○ 2026-03-29 10:44:44
●A2606:4700:3034::6815:1fb72026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44
●A2606:4700:3037::ac43:b3252026-03-28 → 2026-03-29 · 3 obs
○ 2017-04-07 09:39:10
● 2026-03-28 06:22:00
● 2026-03-29 10:44:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
thecsf.orgnorah.ns.cloudflare.com, howard.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.70

NS records: norah.ns.cloudflare.com, howard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thecsf.org (unsigned zone)

⏱️ Timing

Total: 614ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.179.37, 104.21.31.183
AAAA22606:4700:3034::6815:1fb7, 2606:4700:3037::ac43:b325
NS2howard.ns.cloudflare.com, norah.ns.cloudflare.com
MX1ghs.google.com (pri: 1200)
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1howard.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

The parent of www.thecsf.org is thecsf.org.

IP Addresses

thecsf.org maps to four IP numbers: 2606:4700:3034::6815:1fb7, 2606:4700:3037::ac43:b325, 104.21.31.183 and 172.67.179.37.

Other host names such as pwaire.com, www.hafsakatcaffe.co.il, dating-reviewer.com, danfengwang.com and holiday-spot.co.uk share IPs with thecsf.org.

Name Servers

Two name servers howard.ns.cloudflare.com and norah.ns.cloudflare.com handle the delegation for thecsf.org.

thecsf.org shares the same name server setup as other domains, for example syque.org, iron-funding.com, readreports.com, specialty-apparel.com and rasmussen.no.

thecsf.org at least partially shares name servers with other domains, for example vogoo.cn, dyopaints.com, objectware.no, manhua180.com and heliproservice.com.

These name servers are commonly used with elinore.ns.cloudflare.com and isla.ns.cloudflare.com and anirban.ns.cloudflare.com.

Host names with six IP numbers:

howard.ns.cloudflare.com points to 2606:4700:58::a29f:2cab, 2803:f800:50::6ca2:c3ab, 2a06:98c1:50::ac40:23ab, 108.162.195.171, 162.159.44.171 and 172.64.35.171.

norah.ns.cloudflare.com points to 2606:4700:50::a29f:2646, 2803:f800:50::6ca2:c246, 2a06:98c1:50::ac40:2246, 108.162.194.70, 162.159.38.70 and 172.64.34.70.

Mail Servers

The ghs.google.com mail server handles thecsf.org.

thecsf.org shares the same mail server setup as other domains, including chistiyainternationalschool.org, streamsofjustice.org, gariba.org, phripasuruan.org and bobbynewberry.com.

thecsf.org shares at least some mail servers with other domains, for example bozeti.hu and maxvitae.com.

ghs.google.com points to two IP numbers: 2607:f8b0:4006:811::2013 and 142.251.210.51.