thomasknudsen.dk DNS records

🖥️ Nameservers2 records 43ms

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 Records

🌍

No A records found

📧 MX Records3 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mx.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
20	43200s	mx2.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V
50	43200s	mx3.zoho.eu	185.230.212.166 185.230.212.166 185.230.212.166	mx3.zoho.eu mx.zoho.eu mx2.zoho.eu	AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V AS205111 ZOHO Corporation B.V

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 175ms

TXT Record
E99BC628-07D3-11EB-A7DF-4BDA03385826._domainkey
v=spf1 include:zoho.eu include:one.zoho.com include:_custspf.one.com ~all
zoho-verification=zb03103643.zmverify.zoho.eu

✉️ SPF

Policy	Record (thomasknudsen.dk)
~all (soft fail)	v=spf1 include:zoho.eu include:one.zoho.com include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.thomasknudsen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:thomas@thomasknudsen.dk ruf=mailto:thomas@thomasknudsen.dk

📬 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)

🔐 DNSSEC88ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026081001
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

43ms

A

41ms

MX

48ms

AAAA

42ms

TXT

175ms

CAA

43ms

HTTPS

62ms

TLSA

579ms

SOA

0ms

MTA-STS

53ms

DNSSEC

88ms

SRV

67ms

Total

1093ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 09:38:54	1093ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-08-27 01:05:12	716ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-08-25 15:07:36	836ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-08-11 06:39:44	1486ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-07-18 12:35:16	1297ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-07-12 17:47:19	8939ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-24 16:01:11	740ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-24 01:38:50	906ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 14:22:50	406ms	2 NS 0 A 3 MX	🔒 Secure	View
2026-06-18 05:05:17	632ms	2 NS 0 A 3 MX	🔒 Secure	View