sustainability.dk

📜 Historical scan 2026-10-10 12:19:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sustainability.dk is a .dk domain served by 2 nameservers (dara.ns.cloudflare.com, lloyd.ns.cloudflare.com). It was registered on 9 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.63 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 313ms

Nameserver	IP addresses	PTR	ASN / ISP
dara.ns.cloudflare.com	108.162.192.91 172.64.32.91 173.245.58.91 2606:4700:50::adf5:3a5b 2803:f800:50::6ca2:c05b 2a06:98c1:50::ac40:205b	dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com dara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lloyd.ns.cloudflare.com	108.162.193.197 172.64.33.197 173.245.59.197 2606:4700:58::adf5:3bc5 2803:f800:50::6ca2:c1c5 2a06:98c1:50::ac40:21c5	lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com lloyd.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 372ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.63	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.181	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 386ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:263f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:dbb5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 379ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.63,172.67.219.181 ech=AEX+DQBBDAAgACCryJDgUdOOMoGiT2M3FRRYHMTiXqEf5CEzN4O3g47uAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:263f,2606:4700:3032::ac43:dbb5

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 01:19:58

www	104.21.38.63 172.67.219.181 2606:4700:3032::6815:263f 2606:4700:3032::ac43:dbb5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sustainability.dk: 104.21.38.63 172.67.219.181 2606:4700:3032::6815:263f 2606:4700:3032::ac43:dbb5 (AS13335) www.sustainability.dk: 104.21.38.63 172.67.219.181 2606:4700:3032::6815:263f 2606:4700:3032::ac43:dbb5 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sustainability.dk	hu7N9php7PWi9tlAZsm6ujY32FV5TCIgqSAWaDaAaHA
TXT	_acme-challenge.sustainability.dk	MGV8j0M0ptTEfv8bGTwf9yHIrNJpNo_HlDyJGUP7hXM

🔗 TLSA / DANE#

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

🔐 DNSSEC#

511ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2417058748
Primary NS (MNAME)	dara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 12:31:15

Field	Value
Registrar	Simply.com A/S
Registered	2026-01-09
Expires	2027-01-08 (76d)

📋 WHOIS#

⏱️ Lookup Timing#

313ms

372ms

316ms

AAAA

386ms

TXT

621ms

CAA

361ms

HTTPS

379ms

TLSA

341ms

SOA

48ms

MTA-STS

435ms

DNSSEC

511ms

SRV

439ms

Total

2417ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 01:19:58	387ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-10 12:19:14 shown	2417ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 17:39:28	722ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-13 09:32:33	845ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-29 11:45:02	624ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-24 15:06:23	484ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-23 04:27:55	659ms	3 NS 0 A 0 MX	🔒 Secure
2026-06-22 15:57:02	998ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 20:05:17	440ms	3 NS 0 A 0 MX	🔒 Secure