avc.dk DNS records

🖥️ Nameservers2 records 52ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.151.132.248	43200s	—	AS31027	GlobalConnect A/S	83.151.128.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	avc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::7 52.101.209.153 52.101.73.12 52.101.73.126 52.101.73.6	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr04cu00306.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

🔌 SRV Records1 records 84ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records7 records 213ms

TXT Record
1C9VqdwoB3mO6hhplZS0Wnngg6fDZBKOXL4iHd3gtmbAJ7q0GN/a4p/MGUyqHRY6gsA4KrUhBUWwqq1oZxtXaw==
apple-domain-verification=QvxHE5VjcBwQmzPp
atlassian-domain-verification=k970lQCVsVR3dOUmQ2vsbYZr9opfFddhh3LTda8MmyrlRjuD4xr6FpOdCWprP0sk
atlassian-sending-domain-verification=8a4f140b-480a-426e-a62f-f172a236d941
ciscocidomainverification=23abf36133f6248b81d96b9981c26f66506be9325e52199d0e44e0931f74e4ac
ms=dd89152f339544113f011affe785650fa6242b1e
v=spf1 a mx a:exch.avc.dk a:ex.avc.dk a:mx.avc.dk ip4:77.233.243.220 ip4:77.233.243.222 ip4:77.233.243.216 include:spf.protection.outlook.com include:servers.mcsv.net include:spf-de.emailsignatures365.com include:_spf.webmercs.com ~all

✉️ SPF

Policy	Record (avc.dk)
~all (soft fail)	v=spf1 a mx a:exch.avc.dk a:ex.avc.dk a:mx.avc.dk ip4:77.233.243.220 ip4:77.233.243.222 ip4:77.233.243.216 include:spf.protection.outlook.com include:servers.mcsv.net include:spf-de.emailsignatures365.com include:_spf.webmercs.com ~all

📨 DMARC

Policy	Record (_dmarc.avc.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records5 records 35ms

Flags	Tag	Value
0	issue	amazon.com.org
0	issue	letsencrypt.org
0	issue	ssl.com
0	issuewild	amazon.com
0	issuewild	ssl.com

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.avc.dk	_J-LuJzkJnoyXcnDk5DrrxKMnLtF17XGPO7t31K_NKY

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082401
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

52ms

A

64ms

MX

55ms

AAAA

45ms

TXT

213ms

CAA

35ms

HTTPS

63ms

TLSA

303ms

SOA

0ms

MTA-STS

94ms

DNSSEC

103ms

SRV

84ms

Total

1111ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 08:54:24	1111ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 13:47:35	3039ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 18:27:01	1745ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 04:44:09	1147ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 21:17:05	1311ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 05:56:00	1456ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 12:54:42	1177ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 13:54:22	2330ms	2 NS 1 A 1 MX	🔒 Secure	View