hajcon.dk DNS records

🖥️ Nameservers2 records 219ms

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 240ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.164	3600s	webcluster37.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 203ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	hajcon-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.68.18 52.101.68.3 52.101.68.8 52.101.73.153	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)1 records 188ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8020:93db:d088:a5fb	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 306ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 576ms

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

✉️ SPF

Policy	Record (hajcon.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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

🔗 TLSA / DANE

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

🔐 DNSSEC429ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082101
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

219ms

A

240ms

MX

203ms

AAAA

188ms

TXT

576ms

CAA

248ms

HTTPS

252ms

TLSA

1021ms

SOA

0ms

MTA-STS

308ms

DNSSEC

429ms

SRV

306ms

Total

5455ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 10:25:57	5455ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-23 21:23:08	5277ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 18:11:57	1991ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 12:43:05	6159ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 19:59:07	1015ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:41:58	1880ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:36:19	1158ms	2 NS 1 A 1 MX	🔒 Secure	View