olsenbyg.dk DNS records

🖥️ Nameservers2 records 110ms

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 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.15	3600s	vm1292.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records4 records 74ms

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)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 258ms

TXT Record
v=spf1 mx a include:web.shared.mysmtp.com include:_custspf.one.com ~all

✉️ SPF

Policy	Record (olsenbyg.dk)
~all (soft fail)	v=spf1 mx a include:web.shared.mysmtp.com include:_custspf.one.com ~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 168ms

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…

🔐 DNSSEC230ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082901
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

110ms

A

91ms

MX

74ms

AAAA

67ms

TXT

258ms

CAA

117ms

HTTPS

103ms

TLSA

168ms

SOA

0ms

MTA-STS

146ms

DNSSEC

230ms

SRV

132ms

Total

1630ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 23:20:51	1630ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-28 19:10:58	1203ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-08-25 00:22:36	614ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 22:35:48	928ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-08-06 10:40:23	981ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 14:42:40	6394ms	2 NS 1 A 3 MX	🔓 Insecure	View
2026-06-23 00:09:07	674ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-21 05:58:41	2821ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-18 06:25:52	883ms	2 NS 1 A 4 MX	🔓 Insecure	View