simonclausen.dk

📜 Historical scan 2026-06-17 17:18:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

simonclausen.dk is a .dk domain served by 2 nameservers (olga.ns.cloudflare.com, todd.ns.cloudflare.com). It was registered on 25 May 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by katla.inota.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 106ms

Nameserver	IP addresses	PTR	ASN / ISP
olga.ns.cloudflare.com	108.162.192.137 172.64.32.137 173.245.58.137 2606:4700:50::adf5:3a89 2803:f800:50::6ca2:c089 2a06:98c1:50::ac40:2089	olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com olga.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
todd.ns.cloudflare.com	108.162.193.146 172.64.33.146 173.245.59.146 2606:4700:58::adf5:3b92 2803:f800:50::6ca2:c192 2a06:98c1:50::ac40:2192	todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.ns.cloudflare.com todd.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 97ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.21.157.88	—	ec2-23-21-157-88.compute-1.amazonaws.com	AS14618	—	—	—	—
23.21.234.173	—	ec2-23-21-234-173.compute-1.amazonaws.com	AS14618	—	—	—	—

📧 MX Records#

1 records 94ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	katla.inota.dk	2a01:4f8:c17:67ac::1 78.46.122.25	katla.inota.dk katla.inota.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 167ms

TXT Record
v=spf1 mx ip4:78.46.122.25/32 ip6:2a01:4f8:c17:67ac::1/64 -all

✉️ SPF#

Policy	Record (simonclausen.dk)
-all (hard fail)	v=spf1 mx ip4:78.46.122.25/32 ip6:2a01:4f8:c17:67ac::1/64 -all

📨 DMARC#

Policy	Record (_dmarc.simonclausen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:e6546d9bb3c94a8c8bd4a7816aa6e7cc@dmarc-reports.cloudflare.net

📬 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 2026-10-18 18:46:49

www CNAME	simonclausen.dk (all on simonclausen.dk) → 23.21.157.88 23.21.234.173 (AS14618)
www vs bare domain	Same network simonclausen.dk: 23.21.157.88 23.21.234.173 (AS14618) www.simonclausen.dk: 23.21.157.88 23.21.234.173 (AS14618)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~4096 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

158ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

91ms

Field	Value
Serial	2407033839
Primary NS (MNAME)	olga.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 19:19:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-05-25
Expires	2027-05-31 (224d)

📋 WHOIS#

⏱️ Lookup Timing#

106ms

97ms

94ms

AAAA

94ms

TXT

167ms

CAA

98ms

HTTPS

89ms

TLSA

262ms

SOA

91ms

MTA-STS

94ms

DNSSEC

158ms

SRV

0ms

Total

1651ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 18:46:49	2009ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 16:04:42	669ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 07:09:20	1935ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 06:04:11	2183ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-01 09:14:12	5443ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 19:36:33	1355ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-10 10:33:53	3661ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-03 21:14:02	994ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-20 12:59:49	9438ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-10 07:36:29	1305ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 17:18:14 shown	1651ms	2 NS 2 A 1 MX	🔒 Secure