prbyggeri.dk

📜 Historical scan 2026-09-05 03:36:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

prbyggeri.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 24 May 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.191.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by prbyggeri-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 38ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.19.191.28	3600s	—	AS13335	Cloudflare, Inc.	104.16.0.0/14	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	prbyggeri-dk.mail.protection.outlook.com	2a01:111:f403:ca21::c 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::10 52.101.68.12 52.101.68.27 52.101.73.155 52.101.73.22	mail-matpr04cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00106.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

🔌 SRV Records#

1 records 94ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 164ms

TXT Record
v=spf1 ip4:5.103.179.109 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (prbyggeri.dk)
-all (hard fail)	v=spf1 ip4:5.103.179.109 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 18:55:12

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 prbyggeri.dk: 104.19.191.28 (AS13335) www.prbyggeri.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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms

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

🏷️ SOA#

0ms

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#

WHOIS fetched 2026-10-21 19:13:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2004-05-24
Expires	2027-05-31 (221d)

🔗 Same registrant#

8 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
pr-erhverv.dk	Punktum dk A/S (direct)
pr-erhvervsbyg.dk	Punktum dk A/S (direct)
pr-portas.dk	Punktum dk A/S (direct)
prerhverv.dk	Punktum dk A/S (direct)
prerhvervsbyg.dk	Punktum dk A/S (direct)
prerhvervsbyggeri.dk	Punktum dk A/S (direct)
prhallen.dk	Punktum dk A/S (direct)
prportas.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

38ms

42ms

40ms

AAAA

36ms

TXT

164ms

CAA

53ms

HTTPS

46ms

TLSA

1012ms

SOA

0ms

MTA-STS

49ms

DNSSEC

74ms

SRV

94ms

Total

1548ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 18:55:12	1418ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:08:36	739ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 18:00:50	3248ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 05:27:31	1630ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 12:39:15	1349ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 03:36:17 shown	1548ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 01:59:22	6079ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-13 20:29:59	2116ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:24:19	779ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:01:59	953ms	2 NS 1 A 1 MX	🔒 Secure