carlofchristensen.dk DNS records

🖥️ Nameservers2 records 62ms

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 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.127	3600s	webforward.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records2 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	1800s	eu-esec-01.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
1	1800s	eu-esec-02.heimdalsecurity.com	20.50.183.144 20.50.183.146	eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	46.30.213.98

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 86ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 195ms

TXT Record
google-site-verification=NPU052P1x1TnP7EAxhUhNz4KuVU9xpAIQa5lg1zP8U0
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spf-esec.heimdalsecurity.com include:mailmailmail.net -all

✉️ SPF

Policy	Record (carlofchristensen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spf-esec.heimdalsecurity.com include:mailmailmail.net -all

📨 DMARC

Policy	Record (_dmarc.carlofchristensen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:c71e40e0@mxtoolbox.dmarc-report.com; ruf=mailto:c71e40e0@forensics.dmarc-report.com; rf=afrf; sp=quarantine; fo=1; adkim=r; aspf=r

📬 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 / DANE2 records 122ms

Service / Owner	Type	Cert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com	DANE-EE · SPKI · SHA-256	2E8933DD6DB99304A5A9D5C4ECDE7B8E…

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080605
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

62ms

A

54ms

MX

55ms

AAAA

43ms

TXT

195ms

CAA

41ms

HTTPS

56ms

TLSA

122ms

SOA

0ms

MTA-STS

86ms

DNSSEC

98ms

SRV

86ms

Total

987ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 06:16:58	987ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 23:57:38	744ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 21:48:09	888ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-19 16:51:11	1057ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 19:43:38	65535ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 19:25:59	622ms	2 NS 1 A 2 MX	🔒 Secure	View