c1.dk

📜 Historical scan 2026-07-04 19:36:38  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c1.dk is a .dk domain served by 2 nameservers (ns1.proisp.no, ns2.proisp.no). It was registered on 24 October 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.250.221.9 is hosted by Emp Secure As (AS28824) in Norway. Mail is handled by mail.c1.dk. The zone is of unknown DNSSEC status, 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   54ms
NameserverIP addressesPTRASN / ISP
ns1.proisp.no 2001:41d0:203:6419::
51.91.130.25		 ns1.proisp.no
ns1.proisp.no		 AS16276 OVH SAS
AS16276 OVH SAS
ns2.proisp.no 168.119.69.108
2400:cb00:2049:1::a29f:198a		 ns2.proisp.no
ns2.proisp.no		 AS24940 Hetzner Online GmbH
AS13335 Cloudflare, Inc.

🌍 A Records#

1 records   58ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.250.221.9 300s cpanel73.proisp.no AS28824 Emp Secure As 46.250.192.0/19 🇳🇴 Norway Egersund

📧 MX Records#

1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s mail.c1.dk 46.250.221.9 cpanel73.proisp.no AS28824 Emp Secure As

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.250.221.9
🔶 Autoconfig46.250.221.9

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   2059ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanel73.proisp.no

📝 TXT Records#

1 records   549ms
TXT Record
v=spf1 ip4:46.250.221.9 +a +mx +ip4:46.250.221.8 ~all

✉️ SPF#

PolicyRecord (c1.dk)
~all (soft fail) v=spf1 ip4:46.250.221.9 +a +mx +ip4:46.250.221.8 ~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 2026-10-22 12:52:54
www185.134.245.113 2a01:5b40:0:bc03::1 (AS12996) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.c1.dk IdjNBov-QRzAPXt6ePiaIbheCm6zeoLoE7Q5qveIYEQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

157ms
CheckResult
Validation Status❓ Unknown
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsbroken trust chain resolving 'c1.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA#

0ms
FieldValue
Serial2026070405
Primary NS (MNAME)ns1.proisp.no
Responsible (RNAME)felles@proisp.no
Refresh3600s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-18 20:21:38
FieldValue
RegistrarDomeneshop AS
Registered2002-10-24
Expires2028-12-31 (800d)

🔗 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#

NS
54ms
A
58ms
MX
49ms
AAAA
51ms
TXT
549ms
CAA
57ms
HTTPS
65ms
TLSA
363ms
SOA
0ms
MTA-STS
63ms
DNSSEC
157ms
SRV
2059ms
Total
3079ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 12:52:54 782ms 3 NS 1 A 1 MX 🔒 Secure
2026-10-18 19:51:22 1908ms 3 NS 1 A 1 MX 🔒 Secure
2026-09-23 21:46:44 1452ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-24 08:33:58 11665ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-23 00:09:14 3683ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-22 00:00:15 3646ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-20 23:49:12 10790ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-19 21:47:20 3070ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-18 21:10:31 3067ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-17 08:32:53 10064ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-14 20:26:53 3846ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-13 13:01:43 4781ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-11 08:05:53 3834ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-09 19:05:47 6966ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-08 10:50:26 6390ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-31 12:47:41 2627ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-27 21:48:27 11517ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-26 21:20:56 10606ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-25 20:46:13 11501ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-24 20:22:12 3567ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-23 19:27:16 9488ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-22 14:28:21 2227ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-21 13:45:40 10392ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-20 11:25:04 3531ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-19 09:25:25 11593ms 2 NS 0 A 0 MX ❓ Unknown
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