sustainablecities.dk DNS records

🖥️ Nameservers2 records 32ms

Nameserver	IP addresses	PTR	ASN / ISP
mitch.ns.cloudflare.com	108.162.193.208 172.64.33.208 173.245.59.208 2606:4700:58::adf5:3bd0 2803:f800:50::6ca2:c1d0 2a06:98c1:50::ac40:21d0	mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com mitch.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paityn.ns.cloudflare.com	108.162.194.18 162.159.38.18 172.64.34.18 2606:4700:50::a29f:2612 2803:f800:50::6ca2:c212 2a06:98c1:50::ac40:2212	paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com paityn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.122	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.177.53	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:b135	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3b7a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.59.122,172.67.177.53 ech=AEX+DQBB4AAgACC4e6wN0pcjSpVln+8ty7mfAOYYQLTTMEcPN+tzY2XqAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b135,2606:4700:3034::6815:3b7a

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC59ms

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	2408754106
Primary NS (MNAME)	mitch.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

32ms

A

33ms

MX

31ms

AAAA

38ms

TXT

175ms

CAA

32ms

HTTPS

40ms

TLSA

70ms

SOA

0ms

MTA-STS

48ms

DNSSEC

59ms

SRV

56ms

Total

863ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-06 15:03:17	863ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-05 08:35:27	2523ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-02 22:58:42	484ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 08:37:30	310ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 12:15:31	1066ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 11:22:36	303ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 09:02:08	1156ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:27:16	2215ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 09:36:05	308ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 00:08:48	2175ms	0 NS 0 A 0 MX	❓ Unknown	View