rldn.dk

📜 Historical scan 2026-08-20 15:56:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rldn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It first appeared in the .dk zone on 14 August 2026. Its website address 173.249.20.120 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mx.rldn.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 48ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
173.249.20.120	3600s	vmi1512488.contaboserver.net	AS51167	Contabo GmbH	173.249.0.0/18	🇫🇷 France	Lauterbourg

📧 MX Records#

1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.rldn.dk	173.249.20.120	vmi1512488.contaboserver.net	AS51167 Contabo GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	173.249.20.120
🔶 Autoconfig	173.249.20.120

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 189ms

TXT Record
v=spf1 a mx ip4:173.249.20.120 ~all

✉️ SPF#

Policy	Record (rldn.dk)
~all (soft fail)	v=spf1 a mx ip4:173.249.20.120 ~all

📨 DMARC#

Policy	Record (_dmarc.rldn.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:admin@rldn.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 2026-10-11 20:49:40

www	173.249.20.120 (AS51167) (address records, no CNAME)
www vs bare domain	Same network rldn.dk: 173.249.20.120 (AS51167) www.rldn.dk: 173.249.20.120 (AS51167)
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: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081910
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#

48ms

49ms

48ms

AAAA

62ms

TXT

189ms

CAA

53ms

HTTPS

48ms

TLSA

97ms

SOA

0ms

MTA-STS

52ms

DNSSEC

90ms

SRV

81ms

Total

712ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 14:53:35	636ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 19:25:05	9418ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 15:26:59	1077ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 11:40:38	756ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 15:56:28 shown	712ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 08:44:52	1233ms	2 NS 1 A 1 MX	🔒 Secure