feltmann.dk DNS records

🖥️ Nameservers2 records 95ms

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 133ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.31	3600s	webcluster1.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 130ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 124ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:fb:9fd9:68:1caf	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 378ms

TXT Record
v=spf1 include:_custspf.one.com include:feltmann.dk ~all

✉️ SPF

Policy	Record (feltmann.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:feltmann.dk ~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 / DANE4 records 314ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	24689A1B29BE70163B6DCF262497B6EC…

🔐 DNSSEC306ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083002
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

95ms

A

133ms

MX

130ms

AAAA

124ms

TXT

378ms

CAA

134ms

HTTPS

166ms

TLSA

314ms

SOA

0ms

MTA-STS

174ms

DNSSEC

306ms

SRV

168ms

Total

2246ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 16:44:01	2246ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 10:11:13	666ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-20 01:55:44	4612ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-24 08:23:40	8713ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-20 12:16:24	9027ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 12:36:06	2282ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 11:30:13	693ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 07:14:58	1232ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 22:50:12	1926ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 09:26:35	832ms	2 NS 1 A 4 MX	🔒 Secure	View