aarhusswim.dk DNS records

🖥️ Nameservers2 records 46ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.116	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	aarhusswim-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 52.101.68.18 52.101.68.32 52.101.73.1 52.101.73.24	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:80a0:d2b7:d006:ebd9	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

📝 TXT Records2 records 179ms

TXT Record
MS=ms68726058
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (aarhusswim.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)

🔐 DNSSEC81ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082203
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

46ms

A

52ms

MX

54ms

AAAA

50ms

TXT

179ms

CAA

42ms

HTTPS

53ms

TLSA

367ms

SOA

0ms

MTA-STS

72ms

DNSSEC

81ms

SRV

63ms

Total

961ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 15:41:53	961ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 15:34:08	3784ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-21 15:08:19	1752ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 14:01:06	3634ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 15:45:05	17136ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 16:18:58	3061ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 09:09:28	1192ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-24 05:24:24	1476ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 13:32:35	9285ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:51:29	1290ms	2 NS 1 A 1 MX	🔒 Secure	View