rp-byg.dk

📜 Historical scan 2026-09-09 09:58:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rp-byg.dk is a .dk domain served by 2 nameservers (kurt.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 6 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rpbyg-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
kurt.ns.cloudflare.com	108.162.193.193 172.64.33.193 173.245.59.193 2606:4700:58::adf5:3bc1 2803:f800:50::6ca2:c1c1 2a06:98c1:50::ac40:21c1	kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com kurt.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	rpbyg-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 2a01:111:f403:ca38::8 52.101.68.15 52.101.68.32 52.101.73.126 52.101.73.155	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00203.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	172.67.202.169

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 175ms

TXT Record
MS=ms87289765
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (rp-byg.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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 14:56:32

www	NXDOMAIN
www vs bare domain	Neither resolves rp-byg.dk: no address www.rp-byg.dk: no address
Wildcard	No

🔎 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#

71ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2414021611
Primary NS (MNAME)	kurt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 07:47:23

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-01-06
Expires	2027-01-31 (95d)

🔗 Same registrant#

1 domain

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
specdep.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

43ms

42ms

39ms

AAAA

31ms

TXT

175ms

CAA

35ms

HTTPS

36ms

TLSA

1774ms

SOA

0ms

MTA-STS

56ms

DNSSEC

71ms

SRV

60ms

Total

2282ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:56:32	1079ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-01 01:34:12	2351ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 01:21:31	757ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-09 09:58:40 shown	2282ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-04 18:18:46	1539ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-02 22:34:16	1431ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-02 13:24:12	1138ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-08 09:47:56	2789ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-17 14:23:57	2870ms	2 NS 0 A 1 MX	🔓 Insecure