studenterbolaget.dk

📜 Historical scan 2026-09-08 23:31:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studenterbolaget.dk is a .dk domain served by 2 nameservers (lina.ns.cloudflare.com, vern.ns.cloudflare.com). It was registered on 13 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.222 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by studenterbolaget-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
lina.ns.cloudflare.com	108.162.192.187 172.64.32.187 173.245.58.187 2606:4700:50::adf5:3abb 2803:f800:50::6ca2:c0bb 2a06:98c1:50::ac40:20bb	lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com lina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vern.ns.cloudflare.com	108.162.193.243 172.64.33.243 173.245.59.243 2606:4700:58::adf5:3bf3 2803:f800:50::6ca2:c1f3 2a06:98c1:50::ac40:21f3	vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.ns.cloudflare.com vern.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 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.22.222	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.207.38	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	studenterbolaget-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 2a01:111:f403:ca48::12 52.101.68.12 52.101.68.16 52.101.68.32 52.101.73.126	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am8pr83cu00106.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	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:16de	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:cf26	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.22.222,172.67.207.38 ech=AEX+DQBBvwAgACAR4jC5DZs77sQkHO059hEovZVJdriELCA3O6CDbkmVOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:16de,2606:4700:3036::ac43:cf26

🔌 SRV Records#

1 records 71ms

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

📝 TXT Records#

3 records 204ms

TXT Record
hj-ownership=nRKRm766ShUr
MS=ms98904531
v=spf1 a mx ip4:94.130.53.24 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (studenterbolaget.dk)
-all (hard fail)	v=spf1 a mx ip4:94.130.53.24 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.studenterbolaget.dk)
p=none (monitor only)	v=DMARC1;p=none;pct=100;rua=mailto:postmaster@studenterbolaget.dk

📬 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 2026-10-09 09:58:55

www	104.21.22.222 172.67.207.38 2606:4700:3036::6815:16de 2606:4700:3036::ac43:cf26 (AS13335) (address records, no CNAME)
www vs bare domain	Same network studenterbolaget.dk: 104.21.22.222 172.67.207.38 2606:4700:3036::6815:16de 2606:4700:3036::ac43:cf26 (AS13335) www.studenterbolaget.dk: 104.21.22.222 172.67.207.38 2606:4700:3036::6815:16de 2606:4700:3036::ac43:cf26 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector2	selector2-studenterbolaget-dk._domainkey.studenterbolaget.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.studenterbolaget.dk	V3nSGmkawUv1nIyIn-1Yjyn2zsgGFNEZwOp7YaTCr9E
TXT	_acme-challenge.studenterbolaget.dk	WilrOsMGDfd0RfENQ64EBvaC6YUGi7aeIdesVAQB4cs
TXT	_acme-challenge.studenterbolaget.dk	aOhuKGGo9TvZuDSJChATD0deCtzfPDeTPbB4S3uPD8M

🔗 TLSA / DANE#

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

🔐 DNSSEC#

128ms

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	2414274052
Primary NS (MNAME)	lina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 21:25:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-12-13
Expires	2026-12-31 (74d)

🔗 Same registrant#

5 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
alkora.dk	Netsite A/S
billigøl.dk	Punktum dk A/S (direct)
sbsl.dk	Punktum dk A/S (direct)
studenterøl.dk	Punktum dk A/S (direct)
studieøl.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

45ms

37ms

AAAA

54ms

TXT

204ms

CAA

40ms

HTTPS

55ms

TLSA

376ms

SOA

0ms

MTA-STS

56ms

DNSSEC

128ms

SRV

71ms

Total

1726ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 04:50:52	1135ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 17:02:36	1081ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 15:32:35	1160ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 11:28:24	3456ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-08 23:31:16 shown	1726ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 01:08:23	2080ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 04:35:22	988ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 03:48:45	1015ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 18:06:51	11065ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 18:45:29	10317ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 21:55:38	1005ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 23:12:57	1067ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 15:42:44	1627ms	2 NS 2 A 1 MX	🔓 Insecure