crew3100.dk DNS records

🖥️ Nameservers2 records 256ms

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 245ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.241.79	3600s	webcluster1.wordpresspod2-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 230ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 245ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:104:7b:12c1:95c8:ca3c	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

Policy	Record (_dmarc.crew3100.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 648ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC448ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082204
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 RegistrationWHOIS fetched 2026-06-23 19:32:51

Field	Value
Registrar	ONE.COM A/S
Registered	2023-11-17
Expires	2026-11-16 (75d)

📋 WHOIS

⏱️ Lookup Timing

NS

256ms

A

245ms

MX

230ms

AAAA

245ms

TXT

571ms

CAA

280ms

HTTPS

268ms

TLSA

648ms

SOA

0ms

MTA-STS

324ms

DNSSEC

448ms

SRV

281ms

Total

6686ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 00:30:45	6686ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 11:18:10	883ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-07 09:55:58	2009ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-11 13:48:47	878ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-03 08:19:01	1817ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 21:47:36	676ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 19:30:08	1128ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 22:55:11	699ms	2 NS 1 A 4 MX	🔒 Secure	View