c2n.dk

📜 Historical scan 2026-06-24 22:21:45  ·  ← 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   272ms
NameserverIP addressesPTRASN / ISP
ns5.chosting.dk 167.235.66.236
2a01:4f8:1c1e:d097::1		 ns5.chosting.dk
ns5.chosting.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns6.chosting.dk 2001:41d0:305:2100::80e9
51.91.57.33		 —
—		 AS16276 OVH SAS
AS16276 OVH SAS
ns7.chosting.dk 178.20.220.33 ns7.chosting.dk AS21060 Atea A/S

🌍 A Records#

1 records   250ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.216.107 14400s server15.chosting.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —

📧 MX Records#

1 records   219ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s c2n.dk 178.20.216.107
2a01:7cc0:101:ffff::1:f		 server15.chosting.dk
server15.chosting.dk		 AS21060 Atea A/S
AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover178.20.216.107
🔶 Autoconfig178.20.216.107

🔷 AAAA Records (IPv6)#

1 records   218ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:7cc0:101:ffff::1:f 14400s server15.chosting.dk AS21060 Atea A/S 2a01:7cc0:100:0:0:0:0:0/40 🇩🇰 Denmark —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   341ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records   754ms
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#

PolicyRecord (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#

PolicyRecord (_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 CNAMEc2n.dk (all on c2n.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.c2n.dk MSMfirkmWq7ZCzu1Eozqlo2qLKhaM_y6TSObhJEyN2I

🔗 TLSA / DANE#

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

🔐 DNSSEC#

503ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

211ms
FieldValue
Serial2026052600
Primary NS (MNAME)ns5.chosting.dk
Responsible (RNAME)logs@chosting.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup
📋 WHOIS#

⏱️ Lookup Timing#

NS
272ms
A
250ms
MX
219ms
AAAA
218ms
TXT
754ms
CAA
241ms
HTTPS
223ms
TLSA
174ms
SOA
211ms
MTA-STS
257ms
DNSSEC
503ms
SRV
341ms
Total
2185ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 431ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-16 18:40:33 593ms 3 NS 1 A 1 MX 🔓 Insecure
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