christinerosenberg.dk DNS records

🖥️ Nameservers2 records 25ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
30	3600s	mx.lavabit.com	—	—	—

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 107ms

TXT Record
google-site-verification=w0-3zx9hITCt9ytlVgzFZDVkhcYhwsub_K0fg_oaRKU
protonmail-verification=4f6e83ab2c05f4318b07881e3681a6e4ca3a1039
v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all
v=spf1 include:_spf.protonmail.ch mx ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (christinerosenberg.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:_spf.protonmail.ch ~all
~all (soft fail)	v=spf1 include:_spf.protonmail.ch mx ~all

📨 DMARC

Policy	Record (_dmarc.christinerosenberg.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

🔗 TLSA / DANE5 records 282ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mx.lavabit.com	DANE-EE · Full cert · SHA-256	2FD02517348B22F35E553256887683DB…

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090401
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

25ms

A

33ms

MX

38ms

AAAA

24ms

TXT

107ms

CAA

27ms

HTTPS

36ms

TLSA

282ms

SOA

0ms

MTA-STS

47ms

DNSSEC

105ms

SRV

42ms

Total

2330ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 20:12:12	2330ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-06 11:20:54	1763ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-07 02:47:06	1290ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-02 00:36:04	781ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 20:45:29	2626ms	2 NS 1 A 3 MX	🔒 Secure	View