hold-fast.dk DNS records

🖥️ Nameservers2 records 32ms

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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.115	3600s	webcluster2.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 23ms

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 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:809d:b082:f85a:eeb4	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 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 / DANE4 records 69ms

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…

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082505
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

32ms

A

51ms

MX

23ms

AAAA

50ms

TXT

164ms

CAA

39ms

HTTPS

52ms

TLSA

69ms

SOA

0ms

MTA-STS

51ms

DNSSEC

84ms

SRV

67ms

Total

636ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 11:13:45	636ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-26 14:46:51	661ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-21 19:42:10	4956ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-20 19:34:06	4248ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-06 23:44:32	4931ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-23 06:50:42	16855ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-22 00:05:30	1140ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-01 09:17:38	701ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 09:21:21	566ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 23:00:07	642ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 06:03:15	725ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 02:16:26	559ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 00:08:10	1090ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 13:12:36	288ms	0 NS 0 A 0 MX	❓ Unknown	View