studor.com - dns.ninja

`studor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:91af^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4994^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.148^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.145.175^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`nina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c088^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2088^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nina.ns.cloudflare.com`
		A	108.162.192.136^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	172.64.32.136^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	173.245.58.136^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
TXT	`MS=ms64533350`
TXT	`dropbox-domain-verification=4b4k8y617pcx`
TXT	`knowbe4-site-verification=898e4de825f37b7dc52543b75f7eda8b`
TXT	`v=spf1 include:mail.zendesk.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.148, 172.67.145.175
		IPv6 hints	2606:4700:3031::ac43:91af, 2606:4700:3035::6815:4994
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=173, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2406633048

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784821052

WOT: SAFE (68/100)

Previously MX for

studor.com

Same first word

studor.net

studor.com

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DNS History

17 records (6 active, 11 former)

●NScurt.ns.cloudflare.com2026-02-14 → 2026-07-23 · 3 obs

○ 2017-01-29 03:37:16
● 2026-02-14 19:30:42
● 2026-07-23 15:53:10

●NSnina.ns.cloudflare.com2026-02-14 → 2026-07-23 · 3 obs

○ 2017-01-29 03:37:16
● 2026-02-14 19:30:42
● 2026-07-23 15:53:10

○NSns1.ipscorp.com2015-04-21 → 2017-01-29 · 5 obs

○ 2007-10-22 15:46:28
● 2015-04-21 19:08:00
● 2017-01-29 03:37:16
○ 2026-02-14 19:30:42
○ 2026-07-23 15:53:10

○NSns2.ipscorp.com2015-04-21 → 2017-01-29 · 5 obs

○ 2007-10-22 15:46:28
● 2015-04-21 19:08:00
● 2017-01-29 03:37:16
○ 2026-02-14 19:30:42
○ 2026-07-23 15:53:10

○NSns3.secureserver.net2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 15:46:28
○ 2015-04-21 19:08:00
○ 2026-07-23 15:53:10

○NSns4.secureserver.net2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 15:46:28
○ 2015-04-21 19:08:00
○ 2026-07-23 15:53:10

○MXmailstore1.secureserver.net2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 15:46:28
○ 2015-04-21 19:08:00
○ 2026-07-23 15:53:10

○MXsmtp.secureserver.net2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 15:46:28
○ 2015-04-21 19:08:00
○ 2026-07-23 15:53:10

○MXstudor.com2015-04-21 → 2026-02-14 · 5 obs

○ 2007-10-22 15:46:28
● 2015-04-21 19:08:00
● 2026-02-14 19:30:42
○ 2026-02-17 10:15:28
○ 2026-07-23 15:53:10

●A104.21.73.1482026-02-14 → 2026-07-23 · 3 obs

○ 2017-01-29 03:37:16
● 2026-02-14 19:30:42
● 2026-07-23 15:53:10

●A172.67.145.1752026-02-14 → 2026-07-23 · 3 obs

○ 2017-01-29 03:37:16
● 2026-02-14 19:30:42
● 2026-07-23 15:53:10

●A2606:4700:3031::ac43:91af2026-06-27 → 2026-07-23 · 3 obs

○ 2026-06-04 06:51:20
● 2026-06-27 06:55:28
● 2026-07-23 15:53:10

○A2606:4700:3033::6815:49942026-02-14 → 2026-06-04 · 5 obs

○ 2017-01-29 03:37:16
● 2026-02-14 19:30:42
● 2026-06-04 06:51:20
○ 2026-06-27 06:55:28
○ 2026-07-23 15:53:10

●A2606:4700:3035::6815:49942026-06-27 → 2026-07-23 · 3 obs

○ 2026-06-04 06:51:20
● 2026-06-27 06:55:28
● 2026-07-23 15:53:10

○A2606:4700:3035::ac43:91af2026-02-14 → 2026-06-04 · 5 obs

○ 2017-01-29 03:37:16
● 2026-02-14 19:30:42
● 2026-06-04 06:51:20
○ 2026-06-27 06:55:28
○ 2026-07-23 15:53:10

○A67.227.175.132015-04-21 → 2017-01-29 · 5 obs

○ 2007-10-22 15:46:28
● 2015-04-21 19:08:00
● 2017-01-29 03:37:16
○ 2026-02-14 19:30:42
○ 2026-07-23 15:53:10

○A68.178.211.712007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 15:46:28
○ 2015-04-21 19:08:00
○ 2026-07-23 15:53:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
studor.com	nina.ns.cloudflare.com, curt.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.94

NS records: nina.ns.cloudflare.com, curt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studor.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.148, 172.67.145.175`
AAAA	2	`2606:4700:3031::ac43:91af, 2606:4700:3035::6815:4994`
NS	2	`curt.ns.cloudflare.com, nina.ns.cloudflare.com`
TXT	4	`MS=ms64533350, dropbox-domain-verification=4b4k8y617pcx...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studor.com resolves to four IP addresses: 104.21.73.148, 172.67.145.175, 2606:4700:3031::ac43:91af and 2606:4700:3035::6815:4994.

Two other host names, along with m3.holtfilm.net, film-q.holtfilm.net and m.holtfilm.net, also share IP numbers with studor.com.

Name Servers

studor.com is served by two delegated name servers, curt.ns.cloudflare.com and nina.ns.cloudflare.com.

studor.com shares its NS records with other domains, for example getfloodstop.com, dana.li, tywitsolutions.com and two others.

studor.com partially shares its NS delegation with several other domains, including ttvarch.com, 98winok14.win, 8ron.com and two others.

The name servers alina.ns.cloudflare.com, dalary.ns.cloudflare.com, chad.ns.cloudflare.com and rafe.ns.cloudflare.com are often found in use alongside these name servers.

DNS names with 6 IP addresses:

curt.ns.cloudflare.com carries IP addresses 108.162.193.94, 172.64.33.94 and 173.245.59.94, with 3 other addresses beyond those.

nina.ns.cloudflare.com carries IP addresses 108.162.192.136, 172.64.32.136 and 173.245.58.136, with 3 other addresses beyond those.