studenthouse.dk

📜 Historical scan 2026-09-22 07:23:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studenthouse.dk is a .dk domain served by 2 nameservers (aron.ns.cloudflare.com, ishaan.ns.cloudflare.com). It was registered on 11 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.114 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by studenthouse-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
aron.ns.cloudflare.com	108.162.192.69 172.64.32.69 173.245.58.69 2606:4700:50::adf5:3a45 2803:f800:50::6ca2:c045 2a06:98c1:50::ac40:2045	aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com aron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ishaan.ns.cloudflare.com	108.162.195.213 162.159.44.213 172.64.35.213 2606:4700:58::a29f:2cd5 2803:f800:50::6ca2:c3d5 2a06:98c1:50::ac40:23d5	ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com ishaan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.114	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.145	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	studenthouse-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::b 2a01:111:f403:ca21::10 2a01:111:f403:ca48::8 52.101.185.24 52.101.68.15 52.101.73.123 52.101.91.162	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.84.114

🔷 AAAA Records (IPv6)#

2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:bf91	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:5472	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.114,172.67.191.145 ech=AEX+DQBB5wAgACBIMucFg2ivAYprLHntBqBecma9v3NoNuq5o7hc485aQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bf91,2606:4700:3035::6815:5472

🔌 SRV Records#

1 records 57ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 158ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (studenthouse.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 07:08:21

www	104.21.84.114 172.67.191.145 2606:4700:3034::ac43:bf91 2606:4700:3035::6815:5472 (AS13335) (address records, no CNAME)
www vs bare domain	Same network studenthouse.dk: 104.21.84.114 172.67.191.145 2606:4700:3034::ac43:bf91 2606:4700:3035::6815:5472 (AS13335) www.studenthouse.dk: 104.21.84.114 172.67.191.145 2606:4700:3034::ac43:bf91 2606:4700:3035::6815:5472 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

112ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415143201
Primary NS (MNAME)	aron.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 20:21:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-09-11
Expires	2027-09-10 (326d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

38ms

29ms

AAAA

28ms

TXT

158ms

CAA

37ms

HTTPS

31ms

TLSA

670ms

SOA

0ms

MTA-STS

53ms

DNSSEC

112ms

SRV

57ms

Total

1392ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 19:53:49	1363ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 07:23:30 shown	1392ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 09:12:02	2212ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-01 20:17:11	2184ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 19:36:43	1961ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-19 07:22:42	17465ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 00:33:29	1685ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 23:34:26	2582ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 21:00:46	4232ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 17:30:26	929ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 09:01:13	1171ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 07:38:34	6143ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 00:30:51	1090ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:57:27	1268ms	2 NS 2 A 1 MX	🔓 Insecure