kajbech.dk DNS records

🖥️ Nameservers2 records 31ms

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 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.201.225.5	600s	web2.webko.io	AS24940	Hetzner Online GmbH	195.201.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kajbech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 2a01:111:f403:ca38::8 52.101.103.137 52.101.181.153 52.101.68.16 52.101.73.26	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.24
🔶 Autoconfig	195.201.225.5

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 46ms

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

📝 TXT Records1 records 132ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:195.201.225.5 ip4:94.101.217.98 ip4:94.101.217.100 a mx include:spf.comendosystems.com include:spf.eu.signature365.net include:_custspf.one.com include:mailgun.org -all

✉️ SPF

Policy	Record (kajbech.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:195.201.225.5 ip4:94.101.217.98 ip4:94.101.217.100 a mx include:spf.comendosystems.com include:spf.eu.signature365.net include:_custspf.one.com include:mailgun.org -all

📨 DMARC

Policy	Record (_dmarc.kajbech.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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 / DANE

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

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082501
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

31ms

A

28ms

MX

33ms

AAAA

27ms

TXT

132ms

CAA

27ms

HTTPS

32ms

TLSA

303ms

SOA

0ms

MTA-STS

42ms

DNSSEC

96ms

SRV

46ms

Total

831ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 13:14:06	831ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 15:22:24	5283ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 00:54:10	1160ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 15:42:14	3335ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 09:30:11	912ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 12:21:11	1174ms	2 NS 1 A 1 MX	🔒 Secure	View