dtb.dk

📜 Historical scan 2026-06-17 04:50:42 · ← Latest scan

dtb.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records

1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	—	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records

4 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	—	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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

4 records 54ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC

109ms

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

🏷️ SOA

28ms

Field	Value
Serial	2026041201
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

29ms

28ms

AAAA

28ms

TXT

147ms

CAA

27ms

HTTPS

27ms

TLSA

54ms

SOA

28ms

MTA-STS

46ms

DNSSEC

109ms

SRV

0ms

Total

581ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-28 23:36:14	1356ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-27 23:12:57	911ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-26 22:53:04	1328ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 22:35:06	1066ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-24 23:56:41	1407ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-16 02:24:55	1642ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 16:48:24	607ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-21 15:10:00	1210ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 04:50:42 shown	581ms	2 NS 1 A 4 MX	🔒 Secure