mastercore.dk

📜 Historical scan 2026-09-04 06:05:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mastercore.dk is a .dk domain served by 2 nameservers (audrey.ns.cloudflare.com, robert.ns.cloudflare.com). It was registered on 2 September 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 22ms

Nameserver	IP addresses	PTR	ASN / ISP
audrey.ns.cloudflare.com	108.162.194.66 162.159.38.66 172.64.34.66 2606:4700:50::a29f:2642 2803:f800:50::6ca2:c242 2a06:98c1:50::ac40:2242	audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com audrey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
robert.ns.cloudflare.com	108.162.195.140 162.159.44.140 172.64.35.140 2606:4700:58::a29f:2c8c 2803:f800:50::6ca2:c38c 2a06:98c1:50::ac40:238c	robert.ns.cloudflare.com robert.ns.cloudflare.com robert.ns.cloudflare.com robert.ns.cloudflare.com robert.ns.cloudflare.com robert.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-22 21:35:39

www	104.21.39.114 172.67.144.224 2606:4700:3031::6815:2772 2606:4700:3037::ac43:90e0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network mastercore.dk: 104.21.39.114 172.67.144.224 2606:4700:3031::6815:2772 2606:4700:3037::ac43:90e0 (AS13335) www.mastercore.dk: 104.21.39.114 172.67.144.224 2606:4700:3031::6815:2772 2606:4700:3037::ac43:90e0 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.mastercore.dk	RyyuDizeUWKqgvp8dNOjv3sm7oCNgC3xd8O5GuZW1Y0
TXT	_acme-challenge.mastercore.dk	xmkUm4XDKfWEF2qsO0pey1Xlk4QEboMroJVLSt2adcg

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2413863698
Primary NS (MNAME)	audrey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-01 12:43:56

Field	Value
Registrar	Openprovider
Registered	2026-09-02
Expires	2027-09-01 (312d)

📋 WHOIS#

⏱️ Lookup Timing#

22ms

29ms

31ms

AAAA

23ms

TXT

136ms

CAA

24ms

HTTPS

23ms

TLSA

30ms

SOA

0ms

MTA-STS

47ms

DNSSEC

101ms

SRV

48ms

Total

834ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 21:35:39	988ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 12:19:59	735ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 12:04:20	619ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 11:34:04	732ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 11:23:35	572ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 11:11:27	614ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-04 06:05:37 shown	834ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-31 19:04:02	161ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-28 10:07:37	161ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-27 10:03:46	838ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-26 22:52:25	176ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-25 00:41:27	526ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-24 00:14:53	812ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-22 19:22:36	943ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-21 19:12:56	854ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-20 19:00:06	16818ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-19 18:32:39	8703ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-18 18:29:36	11085ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-16 20:18:46	8737ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-15 07:44:28	2623ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-14 04:28:09	2052ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-12 18:13:40	1512ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-10 16:40:14	842ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-08 03:33:19	1230ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-06 17:11:28	8639ms	1 NS 0 A 0 MX	❓ Unknown