prerhvervsbyggeri.dk

Records from scan: 2026-10-07 21:49:34 · 995ms total · last checked 2026-10-16 19:21 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

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 40ms

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 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prerhvervsbyggeri-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::4 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::a 52.101.181.153 52.101.181.156 52.101.68.25 52.101.73.126	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 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

🧩 Web & zone#

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#

79ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026092801
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 (317d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

40ms

41ms

AAAA

37ms

TXT

143ms

CAA

49ms

HTTPS

26ms

TLSA

635ms

SOA

39ms

MTA-STS

63ms

DNSSEC

79ms

SRV

54ms

Total

995ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 21:49:34 shown	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	5634ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:22:23	1943ms	2 NS 1 A 1 MX	🔒 Secure