tandrupkollegiet.dk

📜 Historical scan 2026-10-15 16:54:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tandrupkollegiet.dk is a .dk domain served by 2 nameservers (liv.ns.cloudflare.com, neil.ns.cloudflare.com). It was registered on 5 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.55.180 is hosted by Cloudflare, Inc. (AS13335). 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
liv.ns.cloudflare.com	108.162.192.188 172.64.32.188 173.245.58.188 2606:4700:50::adf5:3abc 2803:f800:50::6ca2:c0bc 2a06:98c1:50::ac40:20bc	liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com liv.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
neil.ns.cloudflare.com	108.162.193.211 172.64.33.211 173.245.59.211 2606:4700:58::adf5:3bd3 2803:f800:50::6ca2:c1d3 2a06:98c1:50::ac40:21d3	neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.ns.cloudflare.com neil.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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.55.180	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.26	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:ac1a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:37b4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.55.180,172.67.172.26 ech=AEX+DQBBcQAgACApRkEgPwRvlQHDn91nGoAU4JzBFCnqxAEGLxCeXZhqMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ac1a,2606:4700:3036::6815:37b4

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-27 19:12:12

www	104.21.55.180 172.67.172.26 2606:4700:3030::ac43:ac1a 2606:4700:3036::6815:37b4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tandrupkollegiet.dk: 104.21.55.180 172.67.172.26 2606:4700:3030::ac43:ac1a 2606:4700:3036::6815:37b4 (AS13335) www.tandrupkollegiet.dk: 104.21.55.180 172.67.172.26 2606:4700:3030::ac43:ac1a 2606:4700:3036::6815:37b4 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tandrupkollegiet.dk	9VeoFN52TN4hIYygPU_9aNqkmFXJi8hXmESgSAR4zUY
TXT	_acme-challenge.tandrupkollegiet.dk	n_T1MQ9G-yO4CfVXlld6CCoGMLQo1EnIYmzdBfMgvGQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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

🏷️ SOA#

42ms

Field	Value
Serial	2417539110
Primary NS (MNAME)	liv.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 20:19:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-02-05
Expires	2027-02-28 (123d)

🔗 Same registrant#

24 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
ameliahave.dk	Punktum dk A/S (direct)
anemonehuset.dk	CURANET A/S
astilbehus.dk	Punktum dk A/S (direct)
atriumgaarden.dk	Punktum dk A/S (direct)
cornelia-hus.dk	Punktum dk A/S (direct)
corneliahus.dk	Punktum dk A/S (direct)
davinciparken.dk	Punktum dk A/S (direct)
eddagaard.dk	Punktum dk A/S (direct)
fejringparken.dk	Punktum dk A/S (direct)
hdejendomme.dk	Punktum dk A/S (direct)
hirsehaven.dk	Punktum dk A/S (direct)
hsbolig.dk	ONE.COM A/S
kløverhaven.dk	Punktum dk A/S (direct)
kollegietnoden.dk	Punktum dk A/S (direct)
midtermolen-nyborg.dk	Punktum dk A/S (direct)
noerreskov-bakke.dk	Punktum dk A/S (direct)
nørreskovbakke.dk	Punktum dk A/S (direct)
richsgaarden.dk	Punktum dk A/S (direct)
richsgården.dk	Punktum dk A/S (direct)
rygaarden.dk	Punktum dk A/S (direct)
rygården.dk	Punktum dk A/S (direct)
thorshave.dk	Punktum dk A/S (direct)
valmuehuset.dk	Punktum dk A/S (direct)
øhuset.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

29ms

42ms

AAAA

32ms

TXT

172ms

CAA

31ms

HTTPS

40ms

TLSA

52ms

SOA

42ms

MTA-STS

52ms

DNSSEC

71ms

SRV

52ms

Total

404ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 19:12:12	2869ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-19 21:28:01	647ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-18 19:58:22	1851ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-16 18:34:23	1131ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-15 16:54:48 shown	404ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 21:42:34	944ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 02:34:10	565ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-17 00:47:09	876ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-03 12:04:58	696ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-28 17:46:41	1439ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 11:31:29	720ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-17 11:32:09	961ms	2 NS 2 A 0 MX	🔓 Insecure