undervandsitetet.dk

📜 Historical scan 2026-06-20 12:29:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

undervandsitetet.dk is a .dk domain served by 2 nameservers (isla.ns.cloudflare.com, phil.ns.cloudflare.com). It was registered on 25 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.170 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.undervandsitetet.dk. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
isla.ns.cloudflare.com	108.162.192.119 172.64.32.119 173.245.58.119 2606:4700:50::adf5:3a77 2803:f800:50::6ca2:c077 2a06:98c1:50::ac40:2077	isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phil.ns.cloudflare.com	108.162.193.137 172.64.33.137 173.245.59.137 2606:4700:58::adf5:3b89 2803:f800:50::6ca2:c189 2a06:98c1:50::ac40:2189	phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.ns.cloudflare.com phil.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
104.21.11.170	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.175	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	600s	mail.undervandsitetet.dk	213.184.85.11	nlcp02.shared-infra.net	AS59795 PerfGrid
30	600s	mail.undervandsitetet.dk	213.184.85.11	nlcp02.shared-infra.net	AS59795 PerfGrid

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	77.104.160.118
🔶 Autoconfig	77.104.160.118

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:baa	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a6af	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.170,172.67.166.175 ech=AEX+DQBByQAgACBfFJ0KAJ0uunFBmbj/ssUxt3DWNhqYmNcmabs/F0pALQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:baa,2606:4700:3035::ac43:a6af

🔌 SRV Records#

1 records 84ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 244ms

TXT Record
v=spf1 include:uxmail.io ~all

✉️ SPF#

Policy	Record (undervandsitetet.dk)
~all (soft fail)	v=spf1 include:uxmail.io ~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 2026-10-16 09:57:31

www	104.21.11.170 172.67.166.175 2606:4700:3033::6815:baa 2606:4700:3035::ac43:a6af (AS13335) (address records, no CNAME)
www vs bare domain	Same network undervandsitetet.dk: 104.21.11.170 172.67.166.175 2606:4700:3033::6815:baa 2606:4700:3035::ac43:a6af (AS13335) www.undervandsitetet.dk: 104.21.11.170 172.67.166.175 2606:4700:3033::6815:baa 2606:4700:3035::ac43:a6af (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
default	—	RSA Invalid key data — receivers can't verify signatures
dkim	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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

🏷️ SOA#

58ms

Field	Value
Serial	2403598463
Primary NS (MNAME)	isla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 22:26:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-01-25
Expires	2027-07-31 (282d)

🔗 Same registrant#

3 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
holdvejret.dk	Punktum dk A/S (direct)
undervandsitet.dk	Simply.com A/S
uvpodcast.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

38ms

34ms

AAAA

43ms

TXT

244ms

CAA

36ms

HTTPS

59ms

TLSA

141ms

SOA

58ms

MTA-STS

56ms

DNSSEC

72ms

SRV

84ms

Total

658ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 17:02:48	476ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-02 17:05:05	2174ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-30 16:56:44	493ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 05:09:56	967ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-22 19:37:00	2836ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-08 20:56:35	1162ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-28 07:44:56	783ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 08:58:58	951ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-25 04:08:40	1334ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-25 12:52:54	16977ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-06 11:12:52	4553ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 12:29:43 shown	658ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 03:50:31	1572ms	2 NS 2 A 2 MX	🔓 Insecure