gbtk.dk

📜 Historical scan 2026-06-17 10:10:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gbtk.dk is a .dk domain served by 3 nameservers (ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.60.85 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.simply.com. 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#

3 records 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.c-system.dk	49.12.60.90	ns1.c-system.dk	AS24940 Hetzner Online GmbH
ns2.c-system.dk	49.12.60.94	ns2.c-system.dk	AS24940 Hetzner Online GmbH
ns3.c-system.dk	37.27.223.112	monitor.itout.dk	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.60.85	—	web03.c-system.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	—

📧 MX Records#

1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 532ms

TXT Record
v=spf1 a:web03.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gbtk.dk)
-all (hard fail)	v=spf1 a:web03.c-system.dk a:web01.c-system.dk include:spf.protection.outlook.com -all

📨 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 05:30:45

www CNAME	gbtk.dk (all on gbtk.dk) → 49.12.60.85 (AS24940)
www vs bare domain	Same network gbtk.dk: 49.12.60.85 (AS24940) www.gbtk.dk: 49.12.60.85 (AS24940)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records 188ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…

🔐 DNSSEC#

181ms

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

🏷️ SOA#

86ms

Field	Value
Serial	1689931937
Primary NS (MNAME)	ns1.c-system.dk
Responsible (RNAME)	hostmaster@c-system.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	38400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

82ms

81ms

69ms

AAAA

123ms

TXT

532ms

CAA

102ms

HTTPS

83ms

TLSA

188ms

SOA

86ms

MTA-STS

147ms

DNSSEC

181ms

SRV

0ms

Total

2024ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 17:12:55	749ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 01:41:43	1691ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 10:10:45 shown	2024ms	3 NS 1 A 1 MX	🔓 Insecure