rl-books.dk DNS records

🖥️ Nameservers2 records 122ms

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 184ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.144.182.8	600s	—	AS8075	Microsoft Corporation	51.144.0.0/15	🇳🇱 The Netherlands	Amsterdam

📧 MX Records4 records 151ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod10-cph3.one.com	104.37.34.70	mx1.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod10-cph3.one.com	104.37.34.71	mx2.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod10-cph3.one.com	104.37.34.72	mx3.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod10-cph3.one.com	104.37.34.73	mx4.pub.mailpod10-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 503ms

TXT Record
google-site-verification=Y-fqapUdBoBYe3j7T6_GA_2s9s28WuMMn2hhQ_RMdlY
o5574h6isg1bce52jrtkm859c4
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (rl-books.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.rl-books.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:info@rl-books.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

🔗 TLSA / DANE4 records 186ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…

🔐 DNSSEC352ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082802
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

122ms

A

184ms

MX

151ms

AAAA

161ms

TXT

503ms

CAA

94ms

HTTPS

140ms

TLSA

186ms

SOA

0ms

MTA-STS

188ms

DNSSEC

352ms

SRV

191ms

Total

2437ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 01:16:28	2437ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 22:03:39	576ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-14 17:25:30	1419ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-22 14:51:26	4885ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 01:12:52	1127ms	2 NS 1 A 4 MX	🔒 Secure	View