knudsgaard.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.88.95.64	600s	dedi7385.your-server.de	AS24940	Hetzner Online GmbH	23.88.0.0/17	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	knudsgaard-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::5 2a01:111:f403:ca09::24 2a01:111:f403:ca09::4 52.101.103.143 52.101.209.153 52.101.68.12 52.101.73.153	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 76ms

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

📝 TXT Records2 records 176ms

TXT Record
MS=ms97189755
v=spf1 ip4:80.198.52.2 ip4:51.144.64.111 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

✉️ SPF

Policy	Record (knudsgaard.dk)
-all (hard fail)	v=spf1 ip4:80.198.52.2 ip4:51.144.64.111 include:spf.protection.outlook.com include:spf.eu.signature365.net -all

📨 DMARC

Policy	Record (_dmarc.knudsgaard.dk)
p=reject	v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
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

36ms

MX

50ms

AAAA

39ms

TXT

176ms

CAA

61ms

HTTPS

31ms

TLSA

166ms

SOA

0ms

MTA-STS

67ms

DNSSEC

86ms

SRV

76ms

Total

849ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 08:58:29	849ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 14:32:40	1696ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 06:34:56	1624ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 20:51:36	9158ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 15:44:52	9553ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 20:47:26	811ms	2 NS 1 A 1 MX	🔒 Secure	View