r52.dk

📜 Historical scan 2026-06-17 11:44:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

r52.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 August 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.101.255.113 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by wulff03.wulffit.dk. 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 100ms

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 99ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.101.255.113	—	—	AS14061	DigitalOcean, LLC	46.101.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	wulff03.wulffit.dk	167.86.110.118	wulff03.wulffit.dk	AS51167 Contabo GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 335ms

TXT Record
jetbrains-domain-verification=5y7mirmgy2efaanh3v5tw7cge
v=spf1 mx a include:wulff03.wulffit.dk include:mail.wulffit.dk ~all

✉️ SPF#

Policy	Record (r52.dk)
~all (soft fail)	v=spf1 mx a include:wulff03.wulffit.dk include:mail.wulffit.dk ~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 2026-10-09 10:36:27

www CNAME	r52.dk (all on r52.dk) → 46.101.255.113 (AS14061)
www vs bare domain	Same network r52.dk: 46.101.255.113 (AS14061) www.r52.dk: 46.101.255.113 (AS14061)
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: 4/10 · policy: ~all

error include:wulff03.wulffit.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
error include:mail.wulffit.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

200ms

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

🏷️ SOA#

102ms

Field	Value
Serial	2026053101
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 2026-10-03 11:51:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-08-02
Expires	2027-08-01 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

100ms

99ms

100ms

AAAA

102ms

TXT

335ms

CAA

102ms

HTTPS

101ms

TLSA

193ms

SOA

102ms

MTA-STS

116ms

DNSSEC

200ms

SRV

0ms

Total

1080ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:36:27	507ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 09:19:34	1196ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 11:01:57	680ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 10:59:37	896ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 15:37:36	1018ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-04 03:04:28	9331ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-14 19:42:57	8839ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 04:19:17	652ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 03:44:15	635ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 15:52:50	920ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 11:44:33 shown	1080ms	2 NS 1 A 1 MX	🔒 Secure