prerhvervsbyggeri.dk DNS records

🖥️ Nameservers2 records 60ms

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 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.208.28	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prerhvervsbyggeri-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::e 2a01:111:f403:ca48::8 2a01:111:f403:ca48::c 52.101.209.153 52.101.68.18 52.101.73.26 52.101.73.6	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am6pr04cu00306.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 143ms

TXT Record
MS=ms77756019
v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org -all

✉️ SPF

Policy	Record (prerhvervsbyggeri.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:eu.mailgun.org -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

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081801
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

60ms

MX

35ms

AAAA

57ms

TXT

143ms

CAA

50ms

HTTPS

36ms

TLSA

651ms

SOA

0ms

MTA-STS

65ms

DNSSEC

84ms

SRV

64ms

Total

1284ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 11:11:42	1284ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 21:57:47	2772ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-15 02:03:33	4388ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 18:08:52	25258ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-11 11:56:52	5634ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 03:22:23	1943ms	2 NS 1 A 1 MX	🔒 Secure	View