rtd.dk

📜 Historical scan 2026-06-24 13:38:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rtd.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.190.75	600s	75.64-127.190.195.217.in-addr.arpa wp-srv02.net2web.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	rtd-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::a 2a01:111:f403:ca04::c 2a01:111:f403:ca09::e 52.101.68.5 52.101.73.15 52.101.73.19 52.101.73.22	mail-db4pr02cu00406.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.98.16.91
🔶 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 134ms

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#

latest probe, not this scan · 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#

88ms

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

🏷️ SOA#

64ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

38ms

29ms

31ms

AAAA

30ms

TXT

134ms

CAA

34ms

HTTPS

33ms

TLSA

293ms

SOA

64ms

MTA-STS

87ms

DNSSEC

88ms

SRV

98ms

Total

818ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:25:09	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 shown	818ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:51:24	3333ms	2 NS 1 A 1 MX	🔒 Secure