calsfuger.dk

📜 Historical scan 2026-06-23 15:18:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

calsfuger.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 9 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.134.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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#

4 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records#

5 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	173.194.221.26 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lm-in-f26.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.152.26 2a00:1450:4010:c22::1a	yulpptr-in-f26.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	173.194.43.26 2607:f8b0:400e:c1e::1a	yudlsqd-in-f26.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	162.159.134.42
🔶 Autoconfig	162.159.134.42

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 240ms

TXT Record
ca3-3e8fb063fd874573991c5758c7dd8499
v=spf1 include:_spf.google.com include:relay.kinstamailservice.com include:relay.mailchannels.net i

✉️ SPF#

Policy	Record (calsfuger.dk)
no all — incomplete SPF	v=spf1 include:_spf.google.com include:relay.kinstamailservice.com include:relay.mailchannels.net i

📨 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 2026-10-22 00:15:28

www	162.159.134.42 (AS13335) (address records, no CNAME)
www vs bare domain	Same network calsfuger.dk: 162.159.134.42 (AS13335) www.calsfuger.dk: 162.159.134.42 (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: none

error Unknown mechanism "i": receivers treat the record as a permanent error
warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.calsfuger.dk	calsfuger.dk.kinstavalidation.app

🔗 TLSA / DANE#

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

🔐 DNSSEC#

162ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2024101601
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-22 12:27:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-08-09
Expires	2028-08-31 (678d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

34ms

38ms

36ms

AAAA

37ms

TXT

240ms

CAA

36ms

HTTPS

45ms

TLSA

164ms

SOA

39ms

MTA-STS

54ms

DNSSEC

162ms

SRV

281ms

Total

969ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 00:15:28	663ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-12 16:54:17	1640ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-09 11:14:42	732ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-02 19:08:14	924ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-23 17:06:14	691ms	4 NS 1 A 5 MX	🔒 Secure
2026-09-19 08:50:53	884ms	4 NS 1 A 5 MX	🔒 Secure
2026-08-27 17:27:02	1351ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-27 07:30:04	1963ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-25 16:12:17	1083ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-23 15:18:10 shown	969ms	4 NS 1 A 5 MX	🔒 Secure
2026-06-20 22:04:49	985ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 18:55:59	660ms	4 NS 1 A 5 MX	🔒 Secure