cityzens.dk DNS records

🖥️ Nameservers2 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
emily.ns.cloudflare.com	108.162.192.155 172.64.32.155 173.245.58.155 2606:4700:50::adf5:3a9b 2803:f800:50::6ca2:c09b 2a06:98c1:50::ac40:209b	emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com emily.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yichun.ns.cloudflare.com	108.162.193.248 172.64.33.248 173.245.59.248 2606:4700:58::adf5:3bf8 2803:f800:50::6ca2:c1f8 2a06:98c1:50::ac40:21f8	yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.ns.cloudflare.com yichun.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
104.21.81.220	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.100	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 48ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:bf64	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:51dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.81.220,172.67.191.100 ech=AEX+DQBB7wAgACDvRZwvEQkkKaY2fFdWpLJRWAGStxogw24m9ddhtXtyJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:bf64,2606:4700:3034::6815:51dc

📝 TXT Records2 records 199ms

TXT Record
google-site-verification=Bfw01zfBl6533hAazUeJ-idNK2XESek9Z8_4ZTSFAxI
v=spf1 +a +mx +ip4:49.12.171.172 ~all

✉️ SPF

Policy	Record (cityzens.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:49.12.171.172 ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.cityzens.dk	yJicIN9-Px9X-WRkQQ2NMwdidG5AxsbgYCG6IIlm4OE

🔗 TLSA / DANE

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

🔐 DNSSEC96ms

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	2411597719
Primary NS (MNAME)	emily.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

46ms

A

59ms

MX

50ms

AAAA

48ms

TXT

199ms

CAA

50ms

HTTPS

48ms

TLSA

58ms

SOA

0ms

MTA-STS

71ms

DNSSEC

96ms

SRV

70ms

Total

934ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 14:35:42	934ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 03:04:37	1354ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 08:13:00	1622ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 20:32:34	692ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 22:46:43	62385ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 21:08:50	296ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 21:02:50	1465ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 21:01:41	433ms	2 NS 2 A 0 MX	🔓 Insecure	View