a-c.dk

📜 Historical scan 2026-08-26 09:54:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-c.dk is a .dk domain served by 2 nameservers (chase.ns.cloudflare.com, ollie.ns.cloudflare.com). It was registered on 9 May 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.33 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 62ms

Nameserver	IP addresses	PTR	ASN / ISP
chase.ns.cloudflare.com	108.162.195.156 162.159.44.156 172.64.35.156 2606:4700:58::a29f:2c9c 2803:f800:50::6ca2:c39c 2a06:98c1:50::ac40:239c	chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ollie.ns.cloudflare.com	108.162.194.71 162.159.38.71 172.64.34.71 2606:4700:50::a29f:2647 2803:f800:50::6ca2:c247 2a06:98c1:50::ac40:2247	ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.ns.cloudflare.com ollie.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 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.19.33	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.184.239	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b8ef	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:1321	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.19.33,172.67.184.239 ech=AEX+DQBBWQAgACBeK9hr6HOX/uTlKAGT25t/lmUklgMUeTyBqYwsb8YeQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b8ef,2606:4700:3033::6815:1321

📝 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 2026-10-12 03:13:22

www	104.21.19.33 172.67.184.239 2606:4700:3031::ac43:b8ef 2606:4700:3033::6815:1321 (AS13335) (address records, no CNAME)
www vs bare domain	Same network a-c.dk: 104.21.19.33 172.67.184.239 2606:4700:3031::ac43:b8ef 2606:4700:3033::6815:1321 (AS13335) www.a-c.dk: 104.21.19.33 172.67.184.239 2606:4700:3031::ac43:b8ef 2606:4700:3033::6815:1321 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2061ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411195884
Primary NS (MNAME)	chase.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 02:41:21

Field	Value
Registrar	Simply.com A/S
Registered	2025-05-09
Expires	2027-05-08 (203d)

🔗 Same registrant#

20 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
2m.dk	Punktum dk A/S (direct)
affiliater.dk	Simply.com A/S
bos-cbscsr.dk	Simply.com A/S
danceroyal.dk	Punktum dk A/S (direct)
danishmaritimefair.dk	Simply.com A/S
dril.dk	Simply.com A/S
hosenfeld.dk	Punktum dk A/S (direct)
katalogbutikker.dk	Punktum dk A/S (direct)
kulturhavn.dk	Simply.com A/S
lokalhistorisk-arkiv-stenlille.dk	Simply.com A/S
mandoemarathon.dk	Punktum dk A/S (direct)
passinfo.dk	Simply.com A/S
ribe1300.dk	Simply.com A/S
skodsborgmarathon.dk	Punktum dk A/S (direct)
stop-ttip.dk	Punktum dk A/S (direct)
taasingehk.dk	Simply.com A/S
tourofcph.dk	Simply.com A/S
trekantfest.dk	Simply.com A/S
uu-roskilde.dk	Punktum dk A/S (direct)
vkir.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

62ms

56ms

67ms

AAAA

60ms

TXT

196ms

CAA

51ms

HTTPS

49ms

TLSA

82ms

SOA

0ms

MTA-STS

65ms

DNSSEC

2061ms

SRV

74ms

Total

2512ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 10:35:27	742ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 10:30:56	1275ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 09:54:31 shown	2512ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-06 05:16:45	1232ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-17 15:37:03	1385ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 13:01:17	925ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 21:29:20	1325ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 13:15:13	771ms	2 NS 2 A 0 MX	🔓 Insecure