prerhvervsbyggeri.dk

📜 Historical scan 2026-07-11 11:56:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prerhvervsbyggeri.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.208.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by prerhvervsbyggeri-dk.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 29ms

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 Records#

1 records 32ms

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

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prerhvervsbyggeri-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 2a01:111:f403:ca09::d 52.101.68.27 52.101.68.36 52.101.73.12 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am0pr83cu00404.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

📝 TXT Records#

2 records 130ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 21:49:34

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network prerhvervsbyggeri.dk: 104.19.208.28 (AS13335) www.prerhvervsbyggeri.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

23ms

Field	Value
Serial	2026051701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 06:01:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-08-25
Expires	2027-08-31 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

32ms

30ms

AAAA

30ms

TXT

130ms

CAA

28ms

HTTPS

29ms

TLSA

733ms

SOA

23ms

MTA-STS

40ms

DNSSEC

52ms

SRV

37ms

Total

5634ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:49:34	995ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 23:09:35	1046ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:49:15	1007ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 05:43:10	1113ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 05:38:56	1097ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 09:42:25	1407ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 08:43:36	3321ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 11:11:42	1284ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 21:57:47	2772ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-15 02:03:33	4388ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 18:08:52	25258ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 11:56:52 shown	5634ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:22:23	1943ms	2 NS 1 A 1 MX	🔒 Secure