sterotek.dk DNS records

🖥️ Nameservers2 records 65ms

Nameserver	IP addresses	PTR	ASN / ISP
guy.ns.cloudflare.com	108.162.193.173 172.64.33.173 173.245.59.173 2606:4700:58::adf5:3bad 2803:f800:50::6ca2:c1ad 2a06:98c1:50::ac40:21ad	guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com guy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wanda.ns.cloudflare.com	108.162.192.240 172.64.32.240 173.245.58.240 2606:4700:50::adf5:3af0 2803:f800:50::6ca2:c0f0 2a06:98c1:50::ac40:20f0	wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com wanda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.138.83	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records4 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mailpod15-cph3.g1i.one.com	104.37.35.36	mx1.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx2.mailpod15-cph3.g1i.one.com	104.37.35.37	mx2.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx3.mailpod15-cph3.g1i.one.com	104.37.35.38	mx3.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx4.mailpod15-cph3.g1i.one.com	104.37.35.39	mx4.mailpod15-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:8a53	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:26cd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 62ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.205,172.67.138.83 ech=AEX+DQBB2wAgACAEf45jgCuGQnz+9J5W2Bip0s4WUpjARwANfZzDySGrSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8a53,2606:4700:3033::6815:26cd

📝 TXT Records1 records 255ms

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

✉️ SPF

Policy	Record (sterotek.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.sterotek.dk)
p=reject	v=DMARC1; p=reject

📬 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 98ms

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…

🔐 DNSSEC2063ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2411924166
Primary NS (MNAME)	guy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

65ms

A

59ms

MX

60ms

AAAA

56ms

TXT

255ms

CAA

61ms

HTTPS

62ms

TLSA

98ms

SOA

0ms

MTA-STS

100ms

DNSSEC

2063ms

SRV

95ms

Total

3353ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 11:00:07	3353ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-11 14:57:38	7215ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-08-10 10:18:36	1605ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-29 06:20:44	1062ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-25 20:12:31	1196ms	2 NS 2 A 4 MX	🔓 Insecure	View
2026-06-18 04:09:04	1263ms	2 NS 2 A 4 MX	🔓 Insecure	View