rda.dk

📜 Historical scan 2026-09-24 01:27:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rda.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.250.229.134 is hosted by WHG Hosting Services Ltd (AS209341) in Germany. Mail is handled by rda.dk. The zone is DNSSEC-signed and validates, publishes a 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 35ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.250.229.134	600s	d4063.fra1.stableserver.net	AS209341	WHG Hosting Services Ltd	192.250.229.0/24	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
20	600s	rda.dk	192.250.229.134	d4063.fra1.stableserver.net	AS209341 WHG Hosting Services Ltd

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	rda.dk → 192.250.229.134
🔶 Autoconfig	rda.dk → 192.250.229.134

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 162ms

TXT Record
v=spf1 +mx +a +ip4:192.250.229.134 +include:spf.mysecurecloudhost.com ~all

✉️ SPF#

Policy	Record (rda.dk)
~all (soft fail)	v=spf1 +mx +a +ip4:192.250.229.134 +include:spf.mysecurecloudhost.com ~all

📨 DMARC#

Policy	Record (_dmarc.rda.dk)
p=reject	v=DMARC1;p=reject;aspf=s;adkim=s;pct=100;rua=mailto:contact@rda.dk

📬 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 2026-10-08 10:40:26

www CNAME	rda.dk (all on rda.dk) → 192.250.229.134 (AS209341)
www vs bare domain	Same network rda.dk: 192.250.229.134 (AS209341) www.rda.dk: 192.250.229.134 (AS209341)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.rda.dk	rda.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

111ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026092001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

37ms

AAAA

50ms

TXT

162ms

CAA

34ms

HTTPS

47ms

TLSA

70ms

SOA

0ms

MTA-STS

53ms

DNSSEC

111ms

SRV

62ms

Total

837ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 07:30:22	489ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 01:33:09	2616ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 01:27:18 shown	837ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-01 21:55:28	621ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 01:30:51	1537ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 21:37:37	1984ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:57:33	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 05:09:47	992ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:59:20	1276ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 19:18:18	688ms	2 NS 1 A 1 MX	🔒 Secure