z7.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
beth.ns.cloudflare.com	108.162.192.103 172.64.32.103 173.245.58.103 2606:4700:50::adf5:3a67 2803:f800:50::6ca2:c067 2a06:98c1:50::ac40:2067	beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com beth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
209.250.245.213	300s	mail-constant.z7.dk	AS20473	The Constant Company, LLC	209.250.224.0/19	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	300s	mx1.z7.dk	2001:19f0:5001:251e:5400:3ff:fecb:bbdf 209.250.245.213	mail-constant.z7.dk mail-constant.z7.dk	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC

🔷 AAAA Records (IPv6)1 records 69ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:19f0:5001:251e:5400:3ff:fecb:bbdf	300s	mail-constant.z7.dk	AS20473	The Constant Company, LLC	2001:19f0:5000:0:0:0:0:0/38	🇳🇱 The Netherlands	Amsterdam

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 253ms

TXT Record
google-site-verification=4ACupq6Fz6ODgGL_UaGIXiWBSnhcptZAq6_3idlA8Cs
v=spf1 mx -all

✉️ SPF

Policy	Record (z7.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC

Policy	Record (_dmarc.z7.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@z7.dk; ruf=mailto:dmarc@z7.dk;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.z7.dk	DePL_YzKxNp5BtdWbcgai5YIFydYonWDp0hXsqZ_kPA
TXT	_acme-challenge.z7.dk	SHNm9eX4EAcfaHJKxBAX0XOvFuggE-Y369EcQA5yr7w
TXT	_acme-challenge.z7.dk	YruZDFPJ80K5O4o9elYRfx0CBPE3GaVep586oOp0itU
TXT	_acme-challenge.z7.dk	eYBWUcMSLo38N64YjySvMWceSoW4UP91UybAE6JjbHY

🔗 TLSA / DANE2 records 1893ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.z7.dk	DANE-EE · SPKI · SHA-256	F9A185C80C938FA378F128BF5490470E…
SMTP _25._tcp.mx1.z7.dk	DANE-EE · SPKI · SHA-512	2276806096A697117B9565ED4FE6F459…

🔐 DNSSEC127ms

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

🏷️ SOA0ms

Field	Value
Serial	2413411828
Primary NS (MNAME)	beth.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

52ms

A

71ms

MX

54ms

AAAA

69ms

TXT

253ms

CAA

76ms

HTTPS

71ms

TLSA

1893ms

SOA

0ms

MTA-STS

79ms

DNSSEC

127ms

SRV

102ms

Total

3090ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 12:15:05	3090ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-29 20:52:18	1555ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 10:24:42	2717ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 05:55:56	6571ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 14:39:39	10004ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 10:52:33	8957ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 12:04:11	3168ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 20:48:36	25244ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 16:43:01	964ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 13:31:48	3036ms	2 NS 1 A 1 MX	🔒 Secure	View