c1.dk

📜 Historical scan 2026-06-25 00:08:02  ·  ← 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 not DNSSEC-signed, 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   252ms
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   234ms
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   265ms
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   664ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 cpanel73.proisp.no

📝 TXT Records#

1 records   1380ms
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 2026-10-18 19:51:22
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#

803ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

245ms
FieldValue
Serial2026062406
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 (801d)

🔗 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
252ms
A
234ms
MX
265ms
AAAA
253ms
TXT
1380ms
CAA
237ms
HTTPS
245ms
TLSA
358ms
SOA
245ms
MTA-STS
268ms
DNSSEC
803ms
SRV
664ms
Total
3318ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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
2026-07-18 05:34:19 34641ms 2 NS 0 A 0 MX ❓ Unknown
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