understjernerne.dk

📜 Historical scan 2026-10-02 06:29:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

understjernerne.dk is a .dk domain served by 2 nameservers (coleman.ns.cloudflare.com, samara.ns.cloudflare.com). It was registered on 5 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
coleman.ns.cloudflare.com	108.162.195.64 162.159.44.64 172.64.35.64 2606:4700:58::a29f:2c40 2803:f800:50::6ca2:c340 2a06:98c1:50::ac40:2340	coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com coleman.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
samara.ns.cloudflare.com	108.162.194.160 162.159.38.160 172.64.34.160 2606:4700:50::a29f:26a0 2803:f800:50::6ca2:c2a0 2a06:98c1:50::ac40:22a0	samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com samara.ns.cloudflare.com samara.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.30.158	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.173.55	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	ASPMX.L.GOOGLE.COM	173.194.221.26 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a	lm-in-f26.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	ALT1.ASPMX.L.GOOGLE.COM	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT2.ASPMX.L.GOOGLE.COM	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	ALT3.ASPMX.L.GOOGLE.COM	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ALT4.ASPMX.L.GOOGLE.COM	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ad37	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:1e9e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.30.158,172.67.173.55 ech=AEX+DQBBuwAgACDASGo58DxiUViZ2q3iMOJgg9qDYtS7yK6e0KXylQPdKQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ad37,2606:4700:3035::6815:1e9e

📝 TXT Records#

1 records 179ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (understjernerne.dk)
~all (soft fail)	v=spf1 include:_spf.google.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 2026-10-10 23:21:59

www	104.21.30.158 172.67.173.55 2606:4700:3032::ac43:ad37 2606:4700:3035::6815:1e9e (AS13335) (address records, no CNAME)
www vs bare domain	Same network understjernerne.dk: 104.21.30.158 172.67.173.55 2606:4700:3032::ac43:ad37 2606:4700:3035::6815:1e9e (AS13335) www.understjernerne.dk: 104.21.30.158 172.67.173.55 2606:4700:3032::ac43:ad37 2606:4700:3035::6815:1e9e (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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#

119ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2416370575
Primary NS (MNAME)	coleman.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 07:34:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-03-05
Expires	2027-03-31 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

36ms

40ms

AAAA

35ms

TXT

179ms

CAA

35ms

HTTPS

50ms

TLSA

118ms

SOA

33ms

MTA-STS

62ms

DNSSEC

119ms

SRV

55ms

Total

992ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 06:52:44	4251ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-02 06:29:42 shown	992ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 02:06:47	724ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-02 02:01:47	1729ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 00:18:36	1943ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 21:52:30	1450ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-08 07:37:42	3772ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-04 17:33:04	2694ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-02 03:37:51	1601ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 15:00:23	984ms	2 NS 2 A 5 MX	🔓 Insecure