a-v.dk DNS records

🖥️ Nameservers2 records 44ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.132	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	av-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::e 52.101.103.137 52.101.68.39 52.101.68.5 52.101.73.26	mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.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	46.30.213.132

🔷 AAAA Records (IPv6)1 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:22:9134:bb6c:40a5	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 78ms

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

📝 TXT Records2 records 190ms

TXT Record
MS=ms85662471
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com-all

✉️ SPF

Policy	Record (a-v.dk)
no all — incomplete SPF	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)

🔐 DNSSEC92ms

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

🏷️ SOA45ms

Field	Value
Serial	2026081905
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

44ms

A

49ms

MX

50ms

AAAA

47ms

TXT

190ms

CAA

47ms

HTTPS

60ms

TLSA

436ms

SOA

45ms

MTA-STS

82ms

DNSSEC

92ms

SRV

78ms

Total

5010ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 20:50:09	5010ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 14:28:53	1481ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 22:11:46	8963ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 08:08:57	1066ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:50:50	1160ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-21 15:51:51	2515ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 20:59:45	965ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 14:05:25	1298ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 12:53:23	1554ms	2 NS 1 A 1 MX	🔒 Secure	View