rtd.dk

Records from scan: 2026-10-09 09:25:09 · 1082ms total · last checked 2026-10-21 03:13 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtd.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 14 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.190.75 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by rtd-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.190.75	120s	wp-srv02.net2web.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	360s	rtd-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::22 2a01:111:f403:ca48::10 2a01:111:f403:ca48::a 52.101.185.21 52.101.68.10 52.101.68.8 52.101.73.153	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 52.98.149.136
🔶 Autoconfig	217.195.190.75

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 129ms

TXT Record
MS=ms23825251
v=spf1 include:mailgun.org include:spf.protection.outlook.com include:spf.smtp2go.com ~all

✉️ SPF#

Policy	Record (rtd.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:spf.protection.outlook.com include:spf.smtp2go.com ~all

📨 DMARC#

Policy	Record (_dmarc.rtd.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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#

checked 2026-10-09 09:25:09

www	217.195.190.75 (AS31027) (address records, no CNAME)
www vs bare domain	Same network rtd.dk: 217.195.190.75 (AS31027) www.rtd.dk: 217.195.190.75 (AS31027)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-rtd-dk._domainkey.rtdanmark.onmicrosoft.com	RSA · ~1024 bit below 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: 7/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2025070202
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-19 11:37:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-05-14
Expires	2030-06-30 (1346d)

🔗 Same registrant#

6 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
3kings.dk	Punktum dk A/S (direct)
equiport.dk	Punktum dk A/S (direct)
kaae-akademi.dk	ONE.COM A/S
kalchas.dk	Punktum dk A/S (direct)
roundtable.dk	Punktum dk A/S (direct)
rt111.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

28ms

40ms

AAAA

42ms

TXT

129ms

CAA

24ms

HTTPS

34ms

TLSA

602ms

SOA

35ms

MTA-STS

37ms

DNSSEC

59ms

SRV

55ms

Total

1082ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:25:09 shown	1082ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:39:08	780ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 23:40:34	1124ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 18:22:55	995ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 13:38:26	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:51:24	3333ms	2 NS 1 A 1 MX	🔒 Secure