ntgcst.dk

📜 Historical scan 2026-09-11 00:58:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ntgcst.dk is a .dk domain served by 2 nameservers (colin.ns.cloudflare.com, rosa.ns.cloudflare.com). It was registered on 21 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.216 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 92ms

Nameserver	IP addresses	PTR	ASN / ISP
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosa.ns.cloudflare.com	108.162.192.228 172.64.32.228 173.245.58.228 2606:4700:50::adf5:3ae4 2803:f800:50::6ca2:c0e4 2a06:98c1:50::ac40:20e4	rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.ns.cloudflare.com rosa.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 119ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.1.216	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.152.91	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 102ms

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

🔷 AAAA Records (IPv6)#

2 records 114ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:1d8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:985b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 99ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.1.216,172.67.152.91 ech=AEX+DQBB5AAgACBMhVVf6tmu6d881PDBPh3xIVG9fojzMIUMsz2FJeZWGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1d8,2606:4700:3037::ac43:985b

📝 TXT Records#

1 records 280ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ntgcst.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#

latest probe, not this scan · checked 2026-09-29 23:27:32

www	Address record (no CNAME)
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#

164ms

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	2414445793
Primary NS (MNAME)	colin.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 11:10:09

Field	Value
Registrar	Eurodns S.A
Registered	2026-01-21
Expires	2027-01-20 (90d)

📋 WHOIS#

⏱️ Lookup Timing#

92ms

119ms

102ms

AAAA

114ms

TXT

280ms

CAA

106ms

HTTPS

99ms

TLSA

1164ms

SOA

0ms

MTA-STS

125ms

DNSSEC

164ms

SRV

134ms

Total

2597ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 23:27:32	442ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-11 00:58:40 shown	2597ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-03 03:18:20	9722ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:18:40	546ms	4 NS 1 A 0 MX	🔓 Insecure