mail.studicus.com - dns.ninja

mail.studicus.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5893🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b904🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.147Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.4🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.147, 172.67.185.4
IPv6 hints2606:4700:3033::6815:5893, 2606:4700:3037::ac43:b904
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com

studicus.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:5893🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b904🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.147Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.4🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSsara.ns.cloudflare.com ⭐
NSzod.ns.cloudflare.com
MX_dc-mx.0f93c07435d1.studicus.com ⭐
TXTv=spf1 include:spf.studicus.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.147, 172.67.185.4
IPv6 hints2606:4700:3033::6815:5893, 2606:4700:3037::ac43:b904
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOAsara.ns.cloudflare.comdns@cloudflare.com serial=2411680071
rank #644090 globally
rank #266363 in the tld

Previously MX for

studicus.com

Same first word

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DNS History

5 records (4 active, 1 former)

A104.21.88.147172.67.185.42606:4700:3033::6815:58932606:4700:3037::ac43:b90434.230.17.227
●A104.21.88.1472026-08-09 → 2026-08-10 · 3 obs
○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-10 02:18:10
●A172.67.185.42026-08-09 → 2026-08-10 · 3 obs
○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-10 02:18:10
●A2606:4700:3033::6815:58932026-08-09 → 2026-08-10 · 3 obs
○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-10 02:18:10
●A2606:4700:3037::ac43:b9042026-08-09 → 2026-08-10 · 3 obs
○ 2026-06-02 16:45:02
● 2026-08-09 13:01:50
● 2026-08-10 02:18:10
○A34.230.17.2272026-04-04 → 2026-06-02 · 4 obs
● 2026-04-04 09:02:24
● 2026-06-02 16:45:02
○ 2026-08-09 13:01:50
○ 2026-08-10 02:18:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net...-
studicus.comsara.ns.cloudflare.com, zod.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.144

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: 99ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.88.147, 172.67.185.4
AAAA22606:4700:3037::ac43:b904, 2606:4700:3033::6815:5893
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

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

upgirdar.digital, crystalonera.com, mazulis.lv plus two other host names have IP numbers in common with mail.studicus.com.