seobureauet.dk

📜 Historical scan 2026-10-11 21:34:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

seobureauet.dk is a .dk domain served by 2 nameservers (cass.ns.cloudflare.com, leland.ns.cloudflare.com). It was registered on 17 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.182 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
cass.ns.cloudflare.com	108.162.192.81 172.64.32.81 173.245.58.81 2606:4700:50::adf5:3a51 2803:f800:50::6ca2:c051 2a06:98c1:50::ac40:2051	cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com cass.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
leland.ns.cloudflare.com	108.162.195.8 162.159.44.8 172.64.35.8 2606:4700:58::a29f:2c08 2803:f800:50::6ca2:c308 2a06:98c1:50::ac40:2308	leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com leland.ns.cloudflare.com leland.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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.27.182	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.156	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1bb6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a99c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.27.182,172.67.169.156 ech=AEX+DQBBPwAgACB+ZSFBfmkSzryXVD6dWG8NWojOwPRbQ4FOg8pVGCZTQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1bb6,2606:4700:3036::ac43:a99c

📝 TXT Records#

3 records 153ms

TXT Record
brevo-code:0bb77c7a7a7fc158479b81cec16d50f9
google-site-verification=57hcsSfhDaSU3pJblny667iLT-1qtAq7XirNgT8dt4k
v=spf1 include:spf.simply.com ~all

✉️ SPF#

Policy	Record (seobureauet.dk)
~all (soft fail)	v=spf1 include:spf.simply.com ~all

📨 DMARC#

Policy	Record (_dmarc.seobureauet.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-17 03:04:54

www	104.21.27.182 172.67.169.156 2606:4700:3031::6815:1bb6 2606:4700:3036::ac43:a99c (AS13335) (address records, no CNAME)
www vs bare domain	Same network seobureauet.dk: 104.21.27.182 172.67.169.156 2606:4700:3031::6815:1bb6 2606:4700:3036::ac43:a99c (AS13335) www.seobureauet.dk: 104.21.27.182 172.67.169.156 2606:4700:3031::6815:1bb6 2606:4700:3036::ac43:a99c (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.seobureauet.dk	1E3OjXf5NCHQTdHfDS_a9xPzfyHiJyMdwUs43mIoWuk
TXT	_acme-challenge.seobureauet.dk	6bh6hOkQ9ReKgEHCVLK0ZlNgqN5m51eUoQ7LdtiK3MQ

🔗 TLSA / DANE#

3 records 56ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

106ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2417224724
Primary NS (MNAME)	cass.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 21:58:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-02-17
Expires	2027-02-16 (114d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

33ms

40ms

AAAA

34ms

TXT

153ms

CAA

38ms

HTTPS

29ms

TLSA

56ms

SOA

39ms

MTA-STS

50ms

DNSSEC

106ms

SRV

54ms

Total

1150ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 03:04:54	536ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-12 22:31:26	1417ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-11 21:34:25 shown	1150ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 05:51:48	570ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 05:03:27	1033ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 10:07:51	2734ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 13:47:08	1118ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 12:49:36	715ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 08:00:12	1747ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 07:58:20	1110ms	2 NS 2 A 1 MX	🔓 Insecure