rpt.dk

📜 Historical scan 2026-06-21 15:54:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rpt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.251 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by rpt-dk.mail.protection.outlook.com. 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 163ms

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 167ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.251	3600s	linux8.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rpt-dk.mail.protection.outlook.com	2a01:111:f403:ca09::7 2a01:111:f403:ca09::8 2a01:111:f403:ca09::c 2a01:111:f403:ca09::d 52.101.68.25 52.101.68.5 52.101.73.11 52.101.73.12	mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 159ms

TXT Record
MS=ms72612915
v=spf1 mx a ptr include:spf.protection.outlook.com ip4:193.8.36.0/22 ip4:185.21.40.251 -all

✉️ SPF#

Policy	Record (rpt.dk)
-all (hard fail)	v=spf1 mx a ptr include:spf.protection.outlook.com ip4:193.8.36.0/22 ip4:185.21.40.251 -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 2026-10-10 14:08:25

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks rpt.dk: 185.21.40.251 (AS48854) www.rpt.dk: 46.30.211.38 (AS51468) (all like this)
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

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

217ms

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

🏷️ SOA#

145ms

Field	Value
Serial	2026032401
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 2026-10-05 22:34:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-03-26
Expires	2028-03-31 (531d)

📋 WHOIS#

⏱️ Lookup Timing#

163ms

167ms

159ms

AAAA

136ms

TXT

159ms

CAA

136ms

HTTPS

150ms

TLSA

210ms

SOA

145ms

MTA-STS

128ms

DNSSEC

217ms

SRV

457ms

Total

1234ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 22:37:49	1152ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 19:25:05	1496ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-09 16:01:30	1200ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-04 17:34:26	8001ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 08:26:34	1174ms	2 NS 1 A 1 MX	⚠️ Bogus
2026-06-21 15:54:46 shown	1234ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 14:05:20	975ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 04:50:32	1352ms	2 NS 1 A 1 MX	🔒 Secure