ct-it.dk

📜 Historical scan 2026-06-20 15:54:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ct-it.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 28 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, 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 272ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 246ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.24.57.1	3600s	—	AS397273	Render	216.24.57.0/24	🇺🇸 United States	—

📧 MX Records#

2 records 268ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S
20	3600s	mx2.dandomain.dk	46.36.209.11	mx2.dandomain.dk	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover-mf.dandomain.dk → 212.237.249.98
🔶 Autoconfig	autoconfig-mf.dandomain.dk → 212.237.249.54

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 481ms

TXT Record
google-site-verification=nhD9eMMrVHQOQXCeg2tfkiUvf9lYGSc9p2WbgBie70c
v=spf1 include:spf.dandomain.dk -all

✉️ SPF#

Policy	Record (ct-it.dk)
-all (hard fail)	v=spf1 include:spf.dandomain.dk -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 2026-10-09 09:46:10

www CNAME	ctitwebpage.onrender.com (all on onrender.com) → 216.24.57.16 216.24.57.18 (AS397273)
www vs bare domain	Same network ct-it.dk: 216.24.57.1 (AS397273) www.ct-it.dk: 216.24.57.16 216.24.57.18 (AS397273)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

345ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

250ms

Field	Value
Serial	2026010801
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-05 15:55:08

Field	Value
Registrar	DANDOMAIN A/S
Registered	2025-08-28
Expires	2027-08-27 (314d)

📋 WHOIS#

⏱️ Lookup Timing#

272ms

246ms

268ms

AAAA

124ms

TXT

481ms

CAA

274ms

HTTPS

153ms

TLSA

1224ms

SOA

250ms

MTA-STS

115ms

DNSSEC

345ms

SRV

313ms

Total

2188ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 09:46:10	751ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-24 22:35:19	474ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-27 09:53:54	568ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-20 15:54:46 shown	2188ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 23:06:27	1295ms	2 NS 1 A 2 MX	🔒 Secure