columna.dk

Records from scan: 2026-09-30 04:03:11  ·  496ms total  ·  last checked 2026-10-16 10:52 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

columna.dk is a .dk domain served by 2 nameservers (rajeev.ns.cloudflare.com, selah.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.22 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   35ms

🌍 A Records#

2 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.4.22 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.131.143 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   37ms

🔐 HTTPS Records#

1 records   48ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.4.22,172.67.131.143 ech=AEX+DQBBFgAgACDQh6blBpSmICDnbiaFgpEWOgrKyZ/lZRK79wZHpO/tNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:416,2606:4700:3032::ac43:838f

📝 TXT Records#

2 records   187ms
TXT Record
_67iyaidq8a8wll0pye9do1w8wwmvq9o
v=spf1 -all

✉️ SPF#

PolicyRecord (columna.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.columna.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:DMARCAdmin@systematic.com

📬 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#

checked 2026-10-08 12:14:48

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413694302
Primary NS (MNAME)rajeev.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

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

⏱️ Lookup Timing#

NS
35ms
A
50ms
MX
37ms
AAAA
37ms
TXT
187ms
CAA
40ms
HTTPS
48ms
TLSA
58ms
SOA
0ms
MTA-STS
67ms
DNSSEC
63ms
SRV
52ms
Total
496ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-30 04:03:11 shown 496ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-07 00:03:00 581ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-31 15:33:02 1229ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-27 17:06:36 632ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-24 19:13:54 805ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-22 13:57:53 884ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-12 15:20:08 889ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-10 15:07:59 1072ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-07 15:15:11 2830ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-30 09:56:05 803ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-23 15:13:06 1039ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-19 02:54:33 997ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-16 21:51:05 536ms 2 NS 2 A 0 MX 🔓 Insecure
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