fjbyggeri.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.42	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	—	—

📧 MX Records1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fjbyggeri-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::e 2a01:111:f403:ca09::28 2a01:111:f403:ca21::c 52.101.181.156 52.101.68.32 52.101.73.19 52.101.91.162	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-matpr04cu00302.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 284ms

TXT Record
MS=ms27720243
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (fjbyggeri.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

🔏 ACME Challenge

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

🔗 TLSA / DANE

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

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090303
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-08-19 23:59:37

Field	Value
Registrar	ONE.COM A/S
Registered	2025-06-10
Expires	2027-06-09 (276d)

📋 WHOIS

⏱️ Lookup Timing

NS

25ms

A

30ms

MX

29ms

AAAA

31ms

TXT

284ms

CAA

26ms

HTTPS

26ms

TLSA

357ms

SOA

0ms

MTA-STS

31ms

DNSSEC

95ms

SRV

34ms

Total

982ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 17:19:39	982ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-31 14:19:00	1815ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 13:07:06	1422ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 01:34:57	1324ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 23:14:26	674ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 15:51:26	10234ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 00:59:05	4990ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-22 00:53:02	6904ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 00:39:03	9520ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 23:59:24	1636ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 23:43:01	2014ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 01:18:05	17131ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 18:49:46	17456ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 15:49:59	4377ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-13 14:04:26	3777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 05:51:36	4571ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 07:57:59	17017ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 09:09:41	1608ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 23:50:56	1918ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 15:54:51	2597ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-31 10:17:46	5565ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 22:23:00	1197ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 20:55:17	9252ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 20:27:20	1150ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 20:03:03	9507ms	2 NS 1 A 1 MX	🔒 Secure	View