czn.dk DNS records

🖥️ Nameservers3 records 405ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5	helium.ns.hetzner.de	AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 401ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
100.67.181.123	86400s	—	—	—	—	—	—

📧 MX Records3 records 375ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	mx.zoho.com	204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44	mx6.zoho.com mx7.zoho.com mx8.zoho.com mx2.zoho.com mx3.zoho.com mx.zoho.com mx.zohomail.com mx2.zohomail.com mx3.zohomail.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
20	86400s	mx2.zoho.com	204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44 204.141.33.44	mx.zohomail.com mx3.zohomail.com mx2.zoho.com mx.zoho.com mx3.zoho.com mx8.zoho.com mx7.zoho.com mx6.zoho.com mx2.zohomail.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO
50	86400s	mx3.zoho.com	204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44 204.141.43.44	mx3.zohomail.com mx2.zohomail.com mx6.zoho.com mx7.zoho.com mx8.zoho.com mx2.zoho.com mx3.zoho.com mx.zoho.com mx.zohomail.com	AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO AS2639 ZOHO

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 905ms

TXT Record
v=spf1 include:zoho.com ~all

✉️ SPF

Policy	Record (czn.dk)
~all (soft fail)	v=spf1 include:zoho.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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC723ms

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

🏷️ SOA402ms

Field	Value
Serial	2026030611
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

405ms

A

401ms

MX

375ms

AAAA

362ms

TXT

905ms

CAA

404ms

HTTPS

337ms

TLSA

606ms

SOA

402ms

MTA-STS

408ms

DNSSEC

723ms

SRV

805ms

Total

5647ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-24 14:50:18	5647ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-24 00:14:22	921ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:47:41	2581ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 23:30:52	1070ms	3 NS 1 A 3 MX	🔓 Insecure	View