hf-aarhus.dk DNS records

🖥️ Nameservers2 records 75ms

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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.31.76.91	600s	—	AS47527	DLX A/S	185.31.76.0/22	🇩🇰 Denmark	Herning

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	hfaarhus-dk0e.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca09::8 2a01:111:f403:ca09::9 52.101.68.10 52.101.68.27 52.101.73.19 52.101.73.2	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 219ms

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

✉️ SPF

Policy	Record (hf-aarhus.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.hf-aarhus.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:hf@hf-aarhus.dk

📬 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)

🔐 DNSSEC118ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

75ms

A

61ms

MX

66ms

AAAA

46ms

TXT

219ms

CAA

69ms

HTTPS

77ms

TLSA

184ms

SOA

0ms

MTA-STS

92ms

DNSSEC

118ms

SRV

91ms

Total

1141ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 11:11:58	1141ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 23:10:55	1668ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 23:49:11	9037ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 18:25:28	8844ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-13 21:51:03	1310ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 20:26:51	1168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 18:14:17	1266ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 16:34:13	763ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 21:07:05	1274ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:41:56	1470ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:12:34	1022ms	2 NS 1 A 1 MX	🔒 Secure	View