sedumtage.dk

📜 Historical scan 2026-06-27 21:38:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sedumtage.dk is a .dk domain served by 2 nameservers (deb.ns.cloudflare.com, yew.ns.cloudflare.com). It was registered on 7 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.67 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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 224ms

Nameserver	IP addresses	PTR	ASN / ISP
deb.ns.cloudflare.com	108.162.192.92 172.64.32.92 173.245.58.92 2606:4700:50::adf5:3a5c 2803:f800:50::6ca2:c05c 2a06:98c1:50::ac40:205c	deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com deb.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yew.ns.cloudflare.com	108.162.195.80 162.159.44.80 172.64.35.80 2606:4700:58::a29f:2c50 2803:f800:50::6ca2:c350 2a06:98c1:50::ac40:2350	yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com yew.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 237ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.67	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.191	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 224ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.45.67
🔶 Autoconfig	104.21.45.67

🔷 AAAA Records (IPv6)#

2 records 222ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:2d43	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d2bf	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 221ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.67,172.67.210.191 ech=AEX+DQBBSAAgACCOApx+y3HkBBLU7e54bmekbLMY/8udBNfIuQpUNaPYQgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:2d43,2606:4700:3036::ac43:d2bf

📝 TXT Records#

1 records 468ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (sedumtage.dk)
-all (hard fail)	v=spf1 include:spf.simply.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 2026-10-07 14:54:53

www	104.21.45.67 172.67.210.191 2606:4700:3036::6815:2d43 2606:4700:3036::ac43:d2bf (AS13335) (address records, no CNAME)
www vs bare domain	Same network sedumtage.dk: 104.21.45.67 172.67.210.191 2606:4700:3036::6815:2d43 2606:4700:3036::ac43:d2bf (AS13335) www.sedumtage.dk: 104.21.45.67 172.67.210.191 2606:4700:3036::6815:2d43 2606:4700:3036::ac43:d2bf (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 162ms

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

🔐 DNSSEC#

323ms

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

🏷️ SOA#

206ms

Field	Value
Serial	2403759691
Primary NS (MNAME)	deb.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 09:35:12

Field	Value
Registrar	Simply.com A/S
Registered	2025-05-07
Expires	2027-05-06 (200d)

🔗 Same registrant#

2 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
cetjek.dk	Simply.com A/S
michael-co.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

224ms

237ms

224ms

AAAA

222ms

TXT

468ms

CAA

243ms

HTTPS

221ms

TLSA

162ms

SOA

206ms

MTA-STS

264ms

DNSSEC

323ms

SRV

260ms

Total

1700ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:54:53	656ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 19:20:03	1971ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 22:20:38	628ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-05 12:18:19	611ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 17:59:26	550ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 08:56:17	680ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-08 18:33:00	1223ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 23:42:45	986ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 21:38:42 shown	1700ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 04:27:56	1046ms	2 NS 2 A 1 MX	🔓 Insecure