feiber.dk DNS records

🖥️ Nameservers2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.desec.io	2607:f740:e633:deec::2 45.54.76.1	ns1.desec.io ns1.desec.io	AS63911 NetActuate, Inc AS63911 NetActuate, Inc
ns2.desec.org	157.53.224.1 2607:f740:e00a:deec::2	ns2.desec.org ns2.desec.org	AS36217 NetActuate, Inc AS36217 NetActuate, Inc

🌍 A Records1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.134.42	14400s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14400s	feiber-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::b 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.103.36 52.101.68.3 52.101.73.22 52.101.73.8	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr04cu00500.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 Records1 records 68ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	100	5061	sipfed.online.lync.com

📝 TXT Records4 records 245ms

TXT Record
ca3-2b972c3b256445dfa5127f7f7b35c7b2
ca3-84aaed259aac4c0b944f024d3d26c796
MS=ms73830919
v=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:emsd1.com -all

✉️ SPF

Policy	Record (feiber.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:relay.kinstamailservice.com include:emsd1.com -all

📨 DMARC

Policy	Record (_dmarc.feiber.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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC107ms

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

🏷️ SOA0ms

Field	Value
Serial	2026024859
Primary NS (MNAME)	get.desec.io
Responsible (RNAME)	get@desec.io
Refresh	86400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

32ms

MX

43ms

AAAA

43ms

TXT

245ms

CAA

43ms

HTTPS

39ms

TLSA

299ms

SOA

0ms

MTA-STS

49ms

DNSSEC

107ms

SRV

68ms

Total

916ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 23:00:57	916ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 17:38:43	1584ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 17:20:15	3276ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 06:59:03	3183ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 10:41:54	1933ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 22:20:30	9419ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 11:09:44	1514ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 11:39:32	1064ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 17:04:39	10594ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:05:08	3223ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 16:24:36	983ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 03:34:40	847ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 00:11:53	1338ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:15:41	2715ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:13:09	1244ms	2 NS 1 A 1 MX	🔒 Secure	View