ja-dukan.dk DNS records

🖥️ Nameservers2 records 33ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
172.105.250.34	28800s	—	AS63949	Akamai Connected Cloud	172.105.192.0/18	🇩🇪 Germany	Frankfurt am Main

📧 MX Records1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	massorordning-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::c 2a01:111:f403:ca09::7 2a01:111:f403:ca48::c 52.101.68.21 52.101.73.155 52.101.73.22 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr04cu00500.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

🔷 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 Records1 records 121ms

TXT Record
v=spf1 a: include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (ja-dukan.dk)
-all (hard fail)	v=spf1 a: include:spf.protection.outlook.com -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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ja-dukan.dk	FWNzrMVRBI75MWYCX1Wq3rXSkJWWLp5rZFTDE-y3EAU

🔗 TLSA / DANE

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

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

33ms

A

25ms

MX

26ms

AAAA

32ms

TXT

121ms

CAA

32ms

HTTPS

26ms

TLSA

1033ms

SOA

0ms

MTA-STS

37ms

DNSSEC

95ms

SRV

86ms

Total

1541ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 22:22:27	1541ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 22:42:30	2549ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:25:20	813ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 10:24:56	955ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 16:16:47	1095ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 14:32:11	4126ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:38:19	2558ms	2 NS 1 A 1 MX	🔒 Secure	View