observation.dk

📜 Historical scan 2026-10-05 00:20:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

observation.dk is a .dk domain served by 2 nameservers (kareem.ns.cloudflare.com, sureena.ns.cloudflare.com). It was registered on 25 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.186 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, 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 122ms

Nameserver	IP addresses	PTR	ASN / ISP
kareem.ns.cloudflare.com	108.162.195.22 162.159.44.22 172.64.35.22 2606:4700:58::a29f:2c16 2803:f800:50::6ca2:c316 2a06:98c1:50::ac40:2316	kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sureena.ns.cloudflare.com	108.162.194.126 162.159.38.126 172.64.34.126 2606:4700:50::a29f:267e 2803:f800:50::6ca2:c27e 2a06:98c1:50::ac40:227e	sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.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 122ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.42.186	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.22	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 145ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1b	lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1b	yulpptr-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.208.22
🔶 Autoconfig	172.67.208.22

🔷 AAAA Records (IPv6)#

2 records 117ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:d016	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2aba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 139ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.42.186,172.67.208.22 ech=AEX+DQBBCgAgACDIubzXrslKOHa3pWI+6e2J6wUdNpoxldh/z4y3ddIQQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:d016,2606:4700:3035::6815:2aba

📝 TXT Records#

2 records 468ms

TXT Record
google-site-verification=Rn1FN66NW_tVFxJBsURQ-j-iBDM7nE61sbC43U0rlGs
v=spf1 +a +mx +include:spf-record.net include:_spf.google.com ~all

✉️ SPF#

Policy	Record (observation.dk)
~all (soft fail)	v=spf1 +a +mx +include:spf-record.net include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.observation.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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 01:09:51

www	104.21.42.186 172.67.208.22 2606:4700:3031::ac43:d016 2606:4700:3035::6815:2aba (AS13335) (address records, no CNAME)
www vs bare domain	Same network observation.dk: 104.21.42.186 172.67.208.22 2606:4700:3031::ac43:d016 2606:4700:3035::6815:2aba (AS13335) www.observation.dk: 104.21.42.186 172.67.208.22 2606:4700:3031::ac43:d016 2606:4700:3035::6815:2aba (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	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: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

271ms

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

🏷️ SOA#

98ms

Field	Value
Serial	2416626994
Primary NS (MNAME)	kareem.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 00:46:33

Field	Value
Registrar	PerfGrid
Registered	2025-02-25
Expires	2027-02-24 (128d)

📋 WHOIS#

⏱️ Lookup Timing#

122ms

145ms

AAAA

117ms

TXT

468ms

CAA

132ms

HTTPS

139ms

TLSA

573ms

SOA

98ms

MTA-STS

245ms

DNSSEC

271ms

SRV

231ms

Total

5045ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 01:09:51	964ms	2 NS 2 A 5 MX	🔓 Insecure
2026-10-05 00:20:51 shown	5045ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-11 16:29:05	2389ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-09 09:07:48	1842ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 22:26:28	2995ms	2 NS 2 A 5 MX	🔓 Insecure