studma.com - dns.ninja

studma.com

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:26b9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:895c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.185Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.92🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonovan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c72🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
A2803:f800:50::6ca2:c372🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonovan.ns.cloudflare.com
A2a06:98c1:50::ac40:2372🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonovan.ns.cloudflare.com
A108.162.195.114🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
A162.159.44.114Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
A172.64.35.114🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
NSlisa.ns.cloudflare.com
A2606:4700:50::adf5:3a83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A2803:f800:50::6ca2:c083🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlisa.ns.cloudflare.com
A2a06:98c1:50::ac40:2083🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlisa.ns.cloudflare.com
A108.162.192.131🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A172.64.32.131🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
A173.245.58.131🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlisa.ns.cloudflare.com
TXT88f2aa521d8b7ebe0dfbb96ad4d813d2
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.185, 172.67.137.92
IPv6 hints2606:4700:3035::6815:26b9, 2606:4700:3037::ac43:895c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOAdonovan.ns.cloudflare.comdns@cloudflare.com serial=2403444805

com

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=1781114293

Same first word

studma.com

Similar names

tadmus.com
stadum.no
usamdt.net
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madstu.com
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mdaust.com
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mustad.de
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dastum.bzh
dmatsu.com.br
dmaust.net
mustad.eu
sumdat.net
mustad.biz
mustad.com.br
dumsta.com
sumdat.org
mustad.org
mustad.com.cn
datums.cn
dumast.eu
mustad.io
mustad.be
usdatm.com
mustad.fr
dumast.ru
admust.com
datums.com
mustad.pl
datmus.com
samutd.com
mustad.nl
amstud.io
mustad.no
datums.lv
dmaust.com
dastum.net
dumast.com
matsud.org
datums.sakura.ne.jp
sumdat.de
dastum.biz
dmatsu.com
mustad.com.au
mustad.us
mustad.center
tumsad.org
dumast.fr
stadum.de
datums.io
msduat.com
stadum.net
dumats.com
dtmusa.com
tsumad.com
sumatd.com
mdtusa.com
mustad.it
mustad.com
dmaust.com.au
umstad.online
matsud.info
mustad.net
datsum.com

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSdonovan.ns.cloudflare.comlisa.ns.cloudflare.comns.studma.comA104.21.38.185172.67.137.922606:4700:3035::6815:26b92606:4700:3037::ac43:895c188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::91.195.241.72
●NSdonovan.ns.cloudflare.com2026-02-24 → 2026-06-10 · 3 obs
○ 2015-11-08 14:19:32
● 2026-02-24 19:11:02
● 2026-06-10 18:04:14
●NSlisa.ns.cloudflare.com2026-02-24 → 2026-06-10 · 3 obs
○ 2015-11-08 14:19:32
● 2026-02-24 19:11:02
● 2026-06-10 18:04:14
○NSns.studma.com2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 01:36:48
○ 2015-11-08 14:19:32
○ 2026-06-10 18:04:14
●A104.21.38.1852026-04-09 → 2026-06-10 · 8 obs
○ 2026-02-24 19:11:02
○ 2026-03-24 17:50:14
● 2026-04-09 17:53:16
● 2026-05-01 07:34:02
○ 2026-05-17 15:33:12
○ 2026-05-25 04:28:04
● 2026-05-25 05:38:18
● 2026-06-10 18:04:14
●A172.67.137.922026-04-09 → 2026-06-10 · 8 obs
○ 2026-02-24 19:11:02
○ 2026-03-24 17:50:14
● 2026-04-09 17:53:16
● 2026-05-01 07:34:02
○ 2026-05-17 15:33:12
○ 2026-05-25 04:28:04
● 2026-05-25 05:38:18
● 2026-06-10 18:04:14
○A188.114.96.02026-02-24 → 2026-05-25 · 9 obs
○ 2016-11-24 23:53:30
● 2026-02-24 19:11:02
● 2026-03-24 17:50:14
○ 2026-04-09 17:53:16
○ 2026-05-01 07:34:02
● 2026-05-17 15:33:12
● 2026-05-25 04:28:04
○ 2026-05-25 05:38:18
○ 2026-06-10 18:04:14
○A188.114.97.02026-02-24 → 2026-05-25 · 9 obs
○ 2016-11-24 23:53:30
● 2026-02-24 19:11:02
● 2026-03-24 17:50:14
○ 2026-04-09 17:53:16
○ 2026-05-01 07:34:02
● 2026-05-17 15:33:12
● 2026-05-25 04:28:04
○ 2026-05-25 05:38:18
○ 2026-06-10 18:04:14
●A2606:4700:3035::6815:26b92026-04-09 → 2026-06-10 · 8 obs
○ 2026-02-24 19:11:02
○ 2026-03-24 17:50:14
● 2026-04-09 17:53:16
● 2026-05-01 07:34:02
○ 2026-05-17 15:33:12
○ 2026-05-25 04:28:04
● 2026-05-25 05:38:18
● 2026-06-10 18:04:14
●A2606:4700:3037::ac43:895c2026-04-09 → 2026-06-10 · 8 obs
○ 2026-02-24 19:11:02
○ 2026-03-24 17:50:14
● 2026-04-09 17:53:16
● 2026-05-01 07:34:02
○ 2026-05-17 15:33:12
○ 2026-05-25 04:28:04
● 2026-05-25 05:38:18
● 2026-06-10 18:04:14
○A2a06:98c1:3120::2026-02-24 → 2026-05-25 · 9 obs
○ 2016-11-24 23:53:30
● 2026-02-24 19:11:02
● 2026-03-24 17:50:14
○ 2026-04-09 17:53:16
○ 2026-05-01 07:34:02
● 2026-05-17 15:33:12
● 2026-05-25 04:28:04
○ 2026-05-25 05:38:18
○ 2026-06-10 18:04:14
○A2a06:98c1:3121::2026-02-24 → 2026-05-25 · 9 obs
○ 2016-11-24 23:53:30
● 2026-02-24 19:11:02
● 2026-03-24 17:50:14
○ 2026-04-09 17:53:16
○ 2026-05-01 07:34:02
● 2026-05-17 15:33:12
● 2026-05-25 04:28:04
○ 2026-05-25 05:38:18
○ 2026-06-10 18:04:14
○A91.195.241.722015-08-07 → 2016-04-10 · 4 obs
● 2015-08-07 01:36:48
● 2016-04-10 05:39:36
○ 2016-11-24 23:53:30
○ 2026-06-10 18:04:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comd.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...-
studma.comlisa.ns.cloudflare.com, donovan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:172.64.32.131

NS records: lisa.ns.cloudflare.com, donovan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studma.com (unsigned zone)

⏱️ Timing

Total: 197ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.38.185, 172.67.137.92
AAAA22606:4700:3035::6815:26b9, 2606:4700:3037::ac43:895c
NS2donovan.ns.cloudflare.com, lisa.ns.cloudflare.com
TXT188f2aa521d8b7ebe0dfbb96ad4d813d2
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1donovan.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lisa.ns.cloudflare.com, lisa.ns.cloudflare.com, lisa.ns.cloudflare.com...)

Analysis

IP Addresses

studma.com points to four IP numbers: 104.21.38.185, 172.67.137.92, 2606:4700:3035::6815:26b9 and 2606:4700:3037::ac43:895c.

www.pgu.spb.ru, kontansuper88.xyz, videoexplainers.com plus two other host names have IP numbers in common with studma.com.

Name Servers

Two name servers handle the delegation for studma.com: donovan.ns.cloudflare.com and lisa.ns.cloudflare.com.

The name server configuration of studma.com is shared with other domains, for instance kttpost.com, i-kubas.lt, ian.today and two others.

studma.com partially shares its NS delegation with several other domains, including sysops.work, spinto67.casino, refurbisheddirect.nl and two others.

These name servers regularly co-occur with the name servers ken.ns.cloudflare.com, grannbo.ns.cloudflare.com and garrett.ns.cloudflare.com.

Hosts with 6 IP addresses each:

donovan.ns.cloudflare.com resolves to 108.162.195.114, 162.159.44.114 and 172.64.35.114 among others, with 3 other IP addresses in total.

lisa.ns.cloudflare.com resolves to 108.162.192.131, 172.64.32.131 and 173.245.58.131 among others, with 3 other IP addresses in total.