c2n.dk

📜 Historical scan 2026-06-16 18:43:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c2n.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.107 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by c2n.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 34ms

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
178.20.216.107	—	server15.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 82ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	c2n.dk	178.20.216.107	server15.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:f	—	—	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 116ms

TXT Record
v=spf1 ip4:178.20.216.107 include:spf.chosting.dk ip4:178.20.216.236 ip4:178.20.216.4 ?all

✉️ SPF#

Policy	Record (c2n.dk)
?all (neutral)	v=spf1 ip4:178.20.216.107 include:spf.chosting.dk ip4:178.20.216.236 ip4:178.20.216.4 ?all

📨 DMARC#

Policy	Record (_dmarc.c2n.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 2026-10-15 14:47:01

www CNAME	c2n.dk (all on c2n.dk) → 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060)
www vs bare domain	Same network c2n.dk: 178.20.216.107 2a01:7cc0:101:ffff::1:f (AS21060) www.c2n.dk: 178.20.216.107 2a01:7cc0:101:ffff::1:f (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: 3/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

99ms

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

🏷️ SOA#

32ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

36ms

82ms

AAAA

33ms

TXT

116ms

CAA

37ms

HTTPS

24ms

TLSA

78ms

SOA

32ms

MTA-STS

36ms

DNSSEC

99ms

SRV

0ms

Total

431ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 18:49:24	828ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 14:04:54	1014ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-23 23:33:38	1119ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 22:21:45	2185ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-23 22:24:24	808ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:43:23 shown	431ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 18:40:33	593ms	3 NS 1 A 1 MX	🔓 Insecure