simpelstrom.dk

📜 Historical scan 2026-09-20 10:23:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simpelstrom.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 104.21.27.27 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cy6bv5zz5.mx.service.one. 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 27ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.27.27	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.241	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	cy6bv5zz5.mx.service.one	104.37.35.36 104.37.35.37 104.37.35.38 104.37.35.39	mx1.mailpod15-cph3.g1i.one.com mx2.mailpod15-cph3.g1i.one.com mx3.mailpod15-cph3.g1i.one.com mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 30ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1b1b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:8cf1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.27.27,172.67.140.241 ech=AEX+DQBB3wAgACAWWv2465/ppKSEVxwh/2j0fwBF8UaYJrWad7wd9oO5DAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1b1b,2606:4700:3033::ac43:8cf1

📝 TXT Records#

3 records 171ms

TXT Record
google-site-verification=2bkpZYfUX_3cCUfJg_BUOh6poxsjwV6sN0U9JrVLQdA
google-site-verification=qtX7XwwYS1UYpwiT7-e95c-sI7kgTklJD67eKoSaMn0
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.simpelstrom.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 2026-10-13 16:17:51

www	104.21.27.27 172.67.140.241 2606:4700:3031::6815:1b1b 2606:4700:3033::ac43:8cf1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network simpelstrom.dk: 104.21.27.27 172.67.140.241 2606:4700:3031::6815:1b1b 2606:4700:3033::ac43:8cf1 (AS13335) www.simpelstrom.dk: 104.21.27.27 172.67.140.241 2606:4700:3031::6815:1b1b 2606:4700:3033::ac43:8cf1 (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.simpelstrom.dk	jYTMpEg7WiQM5AHISS_8YqY-eCqM2Ox1YDSVflVT6FM
TXT	_acme-challenge.simpelstrom.dk	k75azhkj4eZL6pqOWcxqbLXh8Jmf9OEBZbk9QGISiv4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

111ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415205278
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 2026-10-05 06:55:48

Field	Value
Registrar	ONE.COM A/S
Registered	2026-05-20
Expires	2027-05-19 (203d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

28ms

35ms

AAAA

30ms

TXT

171ms

CAA

31ms

HTTPS

31ms

TLSA

88ms

SOA

0ms

MTA-STS

56ms

DNSSEC

111ms

SRV

55ms

Total

3857ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 06:33:58	732ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 06:18:14	772ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 04:29:43	688ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 03:37:34	718ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 10:23:22 shown	3857ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 01:26:53	1126ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 04:49:55	1212ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-27 05:09:25	1327ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 03:39:44	5191ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 08:22:27	1180ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:28:07	1199ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 14:49:27	1265ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-18 07:49:00	1270ms	2 NS 2 A 3 MX	⚠️ Bogus