ctholm.dk

📜 Historical scan 2026-06-16 23:11:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ctholm.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 19 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.100 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ctholm.dk. 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#

3 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	—	—	—
ns6.chosting.dk	—	—	—
ns7.chosting.dk	—	—	—

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.100	—	server18.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	ctholm.dk	178.20.216.100	server18.chosting.dk	AS21060 Atea A/S

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:14	—	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 259ms

TXT Record
v=spf1 ip4:178.20.216.100 include:spf.chosting.dk +a +mx ~all

✉️ SPF#

Policy	Record (ctholm.dk)
~all (soft fail)	v=spf1 ip4:178.20.216.100 include:spf.chosting.dk +a +mx ~all

📨 DMARC#

Policy	Record (_dmarc.ctholm.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-16 12:06:11

www CNAME	ctholm.dk (all on ctholm.dk) → 178.20.216.100 2a01:7cc0:101:ffff::1:14 (AS21060)
www vs bare domain	Same network ctholm.dk: 178.20.216.100 2a01:7cc0:101:ffff::1:14 (AS21060) www.ctholm.dk: 178.20.216.100 2a01:7cc0:101:ffff::1:14 (AS21060)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

120ms

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

🏷️ SOA#

17ms

Field	Value
Serial	2026052600
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-14 05:52:41

Field	Value
Registrar	FIONIA IT ApS
Registered	2004-03-19
Expires	2027-03-31 (165d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

23ms

36ms

AAAA

33ms

TXT

259ms

CAA

16ms

HTTPS

16ms

TLSA

40ms

SOA

17ms

MTA-STS

75ms

DNSSEC

120ms

SRV

0ms

Total

544ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 12:06:11	657ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-08 18:31:15	9644ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-28 05:08:33	1100ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-09 19:45:16	9781ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 05:42:50	2575ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-22 13:59:43	1015ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 23:11:25 shown	544ms	3 NS 1 A 1 MX	🔓 Insecure