rp1.dk DNS records

🖥️ Nameservers2 records 20ms

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 Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.103	3600s	vm0934.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	mx.spamfilter.io	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.21.40.103
🔶 Autoconfig	185.21.40.103

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 175ms

TXT Record
v=spf1 ip4:80.63.85.82 ~all

✉️ SPF

Policy	Record (rp1.dk)
~all (soft fail)	v=spf1 ip4:80.63.85.82 ~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

🔗 TLSA / DANE1 records 64ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.spamfilter.io	DANE-EE · SPKI · SHA-256	9A25F05F2E322DABDCC9B7A06AB47A2D…

🔐 DNSSEC68ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

20ms

A

46ms

MX

35ms

AAAA

34ms

TXT

175ms

CAA

35ms

HTTPS

44ms

TLSA

64ms

SOA

0ms

MTA-STS

70ms

DNSSEC

68ms

SRV

66ms

Total

732ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 09:19:22	732ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 17:13:36	569ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 15:17:42	4915ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 20:48:46	676ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:34:46	946ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 11:28:46	1118ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 00:34:01	504ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 18:54:03	839ms	2 NS 1 A 1 MX	🔒 Secure	View