mastercore.dk DNS records

🖥️ Nameservers2 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

🔏 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)

🔐 DNSSEC101ms

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

🏷️ SOA0ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

22ms

A

29ms

MX

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
2026-09-04 06:05:37	834ms	2 NS 0 A 0 MX	🔓 Insecure	View
2026-08-31 19:04:02	161ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-28 10:07:37	161ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-27 10:03:46	838ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-26 22:52:25	176ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-25 00:41:27	526ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-24 00:14:53	812ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 19:22:36	943ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 19:12:56	854ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 19:00:06	16818ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 18:32:39	8703ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 18:29:36	11085ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-16 20:18:46	8737ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 07:44:28	2623ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 04:28:09	2052ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-12 18:13:40	1512ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 16:40:14	842ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-08 03:33:19	1230ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-06 17:11:28	8639ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-03 18:07:04	912ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 15:55:21	624ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 06:02:46	681ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 13:42:09	2189ms	2 NS 1 A 2 MX	🔒 Secure	View