njkn.dk

📜 Historical scan 2026-06-25 17:18:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

njkn.dk is a .dk domain served by 2 nameservers (chad.ns.cloudflare.com, rachel.ns.cloudflare.com). It was registered on 13 March 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.124 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by no.onso.xyz. The zone is DNSSEC-signed and validates, 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#

2 records   36ms

🌍 A Records#

2 records   35ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.27.124 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.142.150 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   30ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverno.onso.xyz → 157.90.23.42
🔶 Autoconfigno.onso.xyz → 157.90.23.42

🔷 AAAA Records (IPv6)#

2 records   41ms

🔐 HTTPS Records#

1 records   44ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.27.124,172.67.142.150 ech=AEX+DQBBqAAgACDU6WD2/19uz4YCzpkhqeqF+3Q9fNMDmWkvDIXmBzT8KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1b7c,2606:4700:3033::ac43:8e96

🔌 SRV Records#

1 records   74ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 1 443 no.onso.xyz

📝 TXT Records#

1 records   145ms
TXT Record
v=spf1 mx -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.njkn.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 2026-10-08 18:10:32
www104.21.27.124 172.67.142.150 2606:4700:3033::6815:1b7c 2606:4700:3033::ac43:8e96 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records   56ms
Service / OwnerTypeCert association
SMTP _25._tcp.no.onso.xyz DANE-EE · SPKI · SHA-256 CF33A11A9097B2534CE9D5E33C454043…

🔐 DNSSEC#

102ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2407668621
Primary NS (MNAME)chad.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-06 17:57:27
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-03-13
Expires2027-03-12 (144d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
35ms
MX
30ms
AAAA
41ms
TXT
145ms
CAA
41ms
HTTPS
44ms
TLSA
56ms
SOA
0ms
MTA-STS
54ms
DNSSEC
102ms
SRV
74ms
Total
1013ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 18:10:32 2562ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-06 17:50:37 2782ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 16:40:04 864ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-28 16:44:24 1226ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 16:17:36 794ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-16 02:33:26 3472ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-26 14:06:10 984ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-25 14:10:40 969ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-22 00:48:53 25434ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-09 15:10:55 1221ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-28 13:43:11 1697ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-04 22:15:06 5000ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-26 04:33:01 1585ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-25 17:18:59 shown 1013ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-22 15:43:47 1326ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-22 05:44:57 1166ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 01:36:22 2826ms 2 NS 2 A 1 MX 🔒 Secure
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