claus-fetterlein.dk

📜 Historical scan 2026-09-26 10:22:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

claus-fetterlein.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 23 July 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.43.10 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by clausfetterlein-dk01c.mail.protection.outlook.com. 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#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.43.10	3600s	linux10.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	clausfetterlein-dk01c.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca21::c 2a01:111:f403:ca48::c 52.101.103.137 52.101.209.28 52.101.91.153 52.101.91.156	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 43ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 138ms

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

✉️ SPF#

Policy	Record (claus-fetterlein.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 17:10:33

www	185.21.43.10 (AS48854) (address records, no CNAME)
www vs bare domain	Same network claus-fetterlein.dk: 185.21.43.10 (AS48854) www.claus-fetterlein.dk: 185.21.43.10 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

73ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2024051601
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 13:18:48

Field	Value
Registrar	A/S SCANNET
Registered	2011-07-23
Expires	2027-07-31 (278d)

🔗 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
fetterlein-tax.dk	A/S SCANNET

📋 WHOIS#

⏱️ Lookup Timing#

31ms

38ms

36ms

AAAA

32ms

TXT

138ms

CAA

36ms

HTTPS

34ms

TLSA

176ms

SOA

0ms

MTA-STS

43ms

DNSSEC

73ms

SRV

43ms

Total

652ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:08:49	1954ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 10:22:47 shown	652ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-15 19:55:03	1746ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 13:28:43	10381ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 03:31:55	862ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:10:36	790ms	2 NS 1 A 1 MX	🔒 Secure