pc9k.dk

Records from scan: 2026-10-10 09:35:43 · 588ms total · last checked 2026-10-24 17:15 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

pc9k.dk is a .dk domain served by 2 nameservers (margo.ns.cloudflare.com, surina.ns.cloudflare.com). It was registered on 1 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.74 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
margo.ns.cloudflare.com	108.162.195.144 162.159.44.144 172.64.35.144 2606:4700:58::a29f:2c90 2803:f800:50::6ca2:c390 2a06:98c1:50::ac40:2390	margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com margo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
surina.ns.cloudflare.com	108.162.194.19 162.159.38.19 172.64.34.19 2606:4700:50::a29f:2613 2803:f800:50::6ca2:c213 2a06:98c1:50::ac40:2213	surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com surina.ns.cloudflare.com surina.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.74	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.77	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 27ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:cd4d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:254a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.37.74,172.67.205.77 ech=AEX+DQBBeQAgACDm4hLAuwNTbA7KIAknJh93Hnr7L+jDEonkwt62DQ5PIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cd4d,2606:4700:3033::6815:254a

📝 TXT Records#

1 records 150ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (pc9k.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.pc9k.dk)
p=reject	v=DMARC1; p=reject;

📬 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#

checked 2026-10-10 09:35:43

www	104.21.37.74 172.67.205.77 2606:4700:3031::ac43:cd4d 2606:4700:3033::6815:254a (AS13335) (address records, no CNAME)
www vs bare domain	Same network pc9k.dk: 104.21.37.74 172.67.205.77 2606:4700:3031::ac43:cd4d 2606:4700:3033::6815:254a (AS13335) www.pc9k.dk: 104.21.37.74 172.67.205.77 2606:4700:3031::ac43:cd4d 2606:4700:3033::6815:254a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

109ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2417020199
Primary NS (MNAME)	margo.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 09:54:06

Field	Value
Registrar	Simply.com A/S
Registered	2024-07-01
Expires	2027-06-30 (248d)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

34ms

36ms

AAAA

27ms

TXT

150ms

CAA

42ms

HTTPS

29ms

TLSA

50ms

SOA

33ms

MTA-STS

54ms

DNSSEC

109ms

SRV

54ms

Total

588ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 09:35:43 shown	588ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-02 22:41:21	1872ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-19 21:23:57	2411ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-03 05:24:44	532ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 17:07:20	730ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 13:41:21	652ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:37:04	683ms	3 NS 1 A 1 MX	🔒 Secure