brianknudsen.dk DNS records

🖥️ Nameservers2 records 25ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.167.203.99	3600s	80-167-203-99-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	80.160.0.0/13	🇩🇰 Denmark	Støvring

📧 MX Records2 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	brianknudsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 52.101.68.5 52.101.73.24 52.101.73.28 52.101.73.30	mail-dbapr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am7pr05cu00306.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
20	3600s	brianknudsen.dk	80.167.203.99	80-167-203-99-cable.dk.customer.tdc.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 96ms

TXT Record
v=spf1 include:spf.protection.outlook.com a:80-167-203-99-cable.dk.customer.tdc.net -all

✉️ SPF

Policy	Record (brianknudsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com a:80-167-203-99-cable.dk.customer.tdc.net -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)

🔐 DNSSEC99ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

25ms

A

30ms

MX

24ms

AAAA

23ms

TXT

96ms

CAA

29ms

HTTPS

25ms

TLSA

718ms

SOA

0ms

MTA-STS

43ms

DNSSEC

99ms

SRV

35ms

Total

1262ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 21:34:28	1262ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-07 19:46:34	1313ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-20 08:25:08	7099ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 21:25:14	1185ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 08:13:00	1812ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 00:28:00	3279ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-16 16:50:19	2801ms	2 NS 1 A 2 MX	🔒 Secure	View