ctsolutions.dk

📜 Historical scan 2026-09-16 14:51:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctsolutions.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.189 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.189	3600s	webcluster62.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

5 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	172.253.130.26 2a00:1450:4010:c22::1b	yulppbn-in-f26.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	77.111.240.189
🔶 Autoconfig	77.111.240.189

🔷 AAAA Records (IPv6)#

1 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:80e9:8b1c:a8d3:f6e3	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 22:24:02

www	77.111.240.189 2a02:2350:5:102:80e9:8b1c:a8d3:f6e3 (AS51468) (address records, no CNAME)
www vs bare domain	Same network ctsolutions.dk: 77.111.240.189 2a02:2350:5:102:80e9:8b1c:a8d3:f6e3 (AS51468) www.ctsolutions.dk: 77.111.240.189 2a02:2350:5:102:80e9:8b1c:a8d3:f6e3 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091202
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-14 21:10:26

Field	Value
Registrar	ONE.COM A/S
Registered	2015-02-12
Expires	2027-02-28 (134d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
cttactics.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

37ms

40ms

39ms

AAAA

40ms

TXT

167ms

CAA

30ms

HTTPS

35ms

TLSA

103ms

SOA

0ms

MTA-STS

62ms

DNSSEC

117ms

SRV

56ms

Total

1043ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 03:54:25	838ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-16 14:51:22 shown	1043ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-12 02:49:51	900ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-27 22:40:20	1034ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-19 10:46:54	5384ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-15 15:52:27	1181ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-18 19:57:43	832ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 23:11:12	673ms	2 NS 1 A 5 MX	🔒 Secure