calbertsen.dk DNS records

🖥️ Nameservers2 records 93ms

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 162ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.162.86.190	1800s	vps-2712.onecom-cloud.one	AS8648	dogado GmbH	192.162.84.0/22	🇩🇪 Germany	—

📧 MX Records4 records 107ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	10800s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-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 Records2 records 428ms

TXT Record
google-site-verification=C33qmd1AHJut1SFuQwwVEco-8keaZ4sBayo9wk1Gw7s
v=spf1 mx a include:_custspf.one.com -all

✉️ SPF

Policy	Record (calbertsen.dk)
-all (hard fail)	v=spf1 mx a include:_custspf.one.com -all

📨 DMARC

Policy	Record (_dmarc.calbertsen.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:ca@calbertsen.dk; ruf=mailto:ca@calbertsen.dk; sp=reject; fo=1; ri=86400; adkim=s; aspf=s;

📬 MTA-STS453ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	20251104130400Z
max_age	604800s
Policy MX	mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com, mx3.mailpod15-cph3.g1i.one.com, mx4.mailpod15-cph3.g1i.one.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:ca@calbertsen.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE4 records 244ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	E54A7262DC6E3E0F06227A22B71D01DC…

🔐 DNSSEC314ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

93ms

A

162ms

MX

107ms

AAAA

93ms

TXT

428ms

CAA

180ms

HTTPS

179ms

TLSA

244ms

SOA

0ms

MTA-STS

453ms

DNSSEC

314ms

SRV

184ms

Total

2306ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:11:33	2306ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-28 06:05:30	838ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-31 20:06:11	988ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-24 10:28:57	16871ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-22 07:53:21	16720ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-16 03:49:54	8945ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-29 18:28:51	2155ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 17:19:14	680ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 18:55:05	930ms	2 NS 1 A 4 MX	🔒 Secure	View