gcsa.dk

📜 Historical scan 2026-09-29 21:27:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gcsa.dk is a .dk domain served by 2 nameservers (ns61.domaincontrol.com, ns62.domaincontrol.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 103.169.142.0 is hosted by Cloudflare London, LLC (AS209242) in Australia. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a 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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns61.domaincontrol.com	2603:5:2153::20 97.74.101.32	ns61.domaincontrol.com ns61.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH
ns62.domaincontrol.com	173.201.69.32 2603:5:2253::20	ns62.domaincontrol.com ns62.domaincontrol.com	AS44273 Host Europe GmbH AS44273 Host Europe GmbH

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
103.169.142.0	3600s	—	AS209242	Cloudflare London, LLC	103.169.142.0/24	🇦🇺 Australia	—

📧 MX Records#

2 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 289ms

TXT Record
canva-domain-verify=97b9febd-f517-408b-bfc9-d94aa0f15285
protonmail-verification=1d893357b23ec9a1fb491e018df5653ff5dd6c76
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

Policy	Record (gcsa.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

Policy	Record (_dmarc.gcsa.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-09 11:24:50

www	103.169.142.0 (AS209242) (address records, no CNAME)
www vs bare domain	Same network gcsa.dk: 103.169.142.0 (AS209242) www.gcsa.dk: 103.169.142.0 (AS209242)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 299ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

74ms

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	2025040203
Primary NS (MNAME)	ns61.domaincontrol.com
Responsible (RNAME)	dns@jomax.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

51ms

43ms

47ms

AAAA

48ms

TXT

289ms

CAA

55ms

HTTPS

50ms

TLSA

299ms

SOA

0ms

MTA-STS

81ms

DNSSEC

74ms

SRV

85ms

Total

967ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 02:08:56	912ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-29 21:27:15 shown	967ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-01 23:25:39	1856ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-17 09:43:15	867ms	2 NS 1 A 2 MX	🔓 Insecure