studicus.com - dns.ninja

`studicus.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5893^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b904^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.88.147^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.4^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`sara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
NS	`zod.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zod.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zod.ns.cloudflare.com`
		A	108.162.193.250^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	172.64.33.250^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	173.245.59.250^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
MX	`_dc-mx.0f93c07435d1.studicus.com` ⭐
		A	34.230.17.227^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-230-17-227.compute-1.amazonaws.com`
TXT	`v=spf1 include:spf.studicus.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.88.147, 172.67.185.4
		IPv6 hints	2606:4700:3033::6815:5893, 2606:4700:3037::ac43:b904
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com
SOA	`sara.ns.cloudflare.com`dns@cloudflare.com serial=2411680071

`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=1786279934

rank #637151 globally
rank #263486 in the tld

Subdomains

mail.studicus.com

www.studicus.com

Same first word

studicus.de

studicus.com

DNS History

18 records (7 active, 11 former)

○NSns1.dnsimple.com2026-04-04 → 2026-06-02 · 5 obs

○ 2018-11-23 11:22:16
● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-09 13:01:52

○NSns11055.ztomy.com2018-11-23 → 2018-11-23 · 3 obs

● 2018-11-23 11:22:16
○ 2026-04-04 09:02:24
○ 2026-08-09 13:01:52

○NSns2.dnsimple.com2026-04-04 → 2026-06-02 · 5 obs

○ 2018-11-23 11:22:16
● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-09 13:01:52

○NSns21055.ztomy.com2018-11-23 → 2018-11-23 · 3 obs

● 2018-11-23 11:22:16
○ 2026-04-04 09:02:24
○ 2026-08-09 13:01:52

○NSns3.dnsimple.com2026-04-04 → 2026-06-02 · 5 obs

○ 2018-11-23 11:22:16
● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-09 13:01:52

○NSns4.dnsimple.com2026-04-04 → 2026-06-02 · 5 obs

○ 2018-11-23 11:22:16
● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-09 13:01:52

●NSsara.ns.cloudflare.com2026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

●NSzod.ns.cloudflare.com2026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

●MX_dc-mx.0f93c07435d1.studicus.com2026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

○MXmail.studicus.com2026-04-04 → 2026-06-02 · 4 obs

● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-09 13:01:52

●A104.21.88.1472026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

●A172.67.185.42026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

○A209.99.64.552018-11-23 → 2018-11-23 · 3 obs

● 2018-11-23 11:22:16
○ 2026-04-04 09:02:24
○ 2026-08-09 13:01:52

●A2606:4700:3033::6815:58932026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

●A2606:4700:3037::ac43:b9042026-08-09 → 2026-08-09 · 3 obs

○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-09 13:01:52

○A34.230.17.2272026-04-04 → 2026-08-09 · 2 obs

○ 2026-04-04 09:02:24
○ 2026-08-09 13:01:52

○A54.159.31.1902026-04-04 → 2026-06-02 · 5 obs

○ 2018-11-23 11:22:16
● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-09 13:01:52

○PTRns11055.ztomy.com2018-11-23 → 2018-11-23 · 3 obs

● 2018-11-23 11:22:16
○ 2026-04-04 09:02:24
○ 2026-08-09 13:01:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studicus.com	sara.ns.cloudflare.com, zod.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.250

NS records: sara.ns.cloudflare.com, zod.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studicus.com (unsigned zone)

⏱️ Timing

Total: 215ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.88.147, 172.67.185.4`
AAAA	2	`2606:4700:3033::6815:5893, 2606:4700:3037::ac43:b904`
NS	2	`sara.ns.cloudflare.com, zod.ns.cloudflare.com`
MX	1	`_dc-mx.0f93c07435d1.studicus.com (pri: 1`
TXT	1	`v=spf1 include:spf.studicus.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`sara.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.studicus.com and www.studicus.com each fall under studicus.com as their parent domain.

IP Addresses

studicus.com points to the four IP addresses 104.21.88.147, 172.67.185.4, 2606:4700:3033::6815:5893 and 2606:4700:3037::ac43:b904.

Two other host names, along with lrauto.net, class777casinoau.com and newforest-sportsmassage.co.uk, also share IP numbers with studicus.com.

Name Servers

The NS records for studicus.com delegate to sara.ns.cloudflare.com and zod.ns.cloudflare.com.

studicus.com shares its NS records with other domains, for example shrieg.com, liahelp.com, empresa1.com.br and two others.

At least some of studicus.com's name servers are shared with other domains, for example linl.org, crc32.net, silverscope.us and two more.

DNS names with 6 IP addresses:

sara.ns.cloudflare.com maps to 108.162.192.144, 172.64.32.144, 173.245.58.144 and 3 additional IP addresses.

zod.ns.cloudflare.com maps to 108.162.193.250, 172.64.33.250, 173.245.59.250 and 3 additional IP addresses.

Mail Servers

The sole mail server for studicus.com is _dc-mx.0f93c07435d1.studicus.com.

_dc-mx.0f93c07435d1.studicus.com resolves to 34.230.17.227 and no other IP number.