simpelstrøm.dk xn--simpelstrm-8cb.dk

📜 Historical scan 2026-07-02 12:07:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simpelstrøm.dk is a .dk domain served by 2 nameservers (april.ns.cloudflare.com, jerry.ns.cloudflare.com). It was registered on 20 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.192 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
april.ns.cloudflare.com	108.162.192.66 172.64.32.66 173.245.58.66 2606:4700:50::adf5:3a42 2803:f800:50::6ca2:c042 2a06:98c1:50::ac40:2042	april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com april.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jerry.ns.cloudflare.com	108.162.193.182 172.64.33.182 173.245.59.182 2606:4700:58::adf5:3bb6 2803:f800:50::6ca2:c1b6 2a06:98c1:50::ac40:21b6	jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.ns.cloudflare.com jerry.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.66.192	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.250	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:42c0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:cefa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.66.192,172.67.206.250 ech=AEX+DQBBtgAgACCNOZ1tcht2Vm+EdzDfaa4ZIFPwP6bxt1XlvCfc75aWAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:42c0,2606:4700:3036::ac43:cefa

📝 TXT Records#

1 records 155ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (simpelstrøm.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.simpelstrøm.dk)
p=reject	v=DMARC1; p=reject

📬 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 2026-10-08 17:53:07

www	104.21.66.192 172.67.206.250 2606:4700:3030::6815:42c0 2606:4700:3036::ac43:cefa (AS13335) (address records, no CNAME)
www vs bare domain	Same network simpelstrøm.dk: 104.21.66.192 172.67.206.250 2606:4700:3030::6815:42c0 2606:4700:3036::ac43:cefa (AS13335) www.simpelstrøm.dk: 104.21.66.192 172.67.206.250 2606:4700:3030::6815:42c0 2606:4700:3036::ac43:cefa (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 62ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC#

109ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2406427822
Primary NS (MNAME)	april.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 18:42:04

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-20
Expires	2027-05-19 (208d)

🔗 Same registrant#

1 domain

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
simpelstroem.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

31ms

42ms

54ms

AAAA

55ms

TXT

155ms

CAA

32ms

HTTPS

44ms

TLSA

62ms

SOA

43ms

MTA-STS

50ms

DNSSEC

109ms

SRV

63ms

Total

959ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 15:04:47	881ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-31 18:44:12	724ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 07:33:16	1537ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-26 19:50:35	607ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-26 23:26:19	1435ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-02 12:07:39 shown	959ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-26 00:44:55	859ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-23 21:44:27	364ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 18:45:53	980ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 07:57:20	1029ms	2 NS 2 A 4 MX	🔒 Secure