kju.dk

📜 Historical scan 2026-09-12 12:32:36  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kju.dk is a .dk domain served by 2 nameservers (tegan.ns.cloudflare.com, toby.ns.cloudflare.com). It was registered on 7 November 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.161 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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#

2 records   122ms
NameserverIP addressesPTRASN / ISP
tegan.ns.cloudflare.com 108.162.192.226
172.64.32.226
173.245.58.226
2606:4700:50::adf5:3ae2
2803:f800:50::6ca2:c0e2
2a06:98c1:50::ac40:20e2		 tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com
tegan.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
toby.ns.cloudflare.com 108.162.193.239
172.64.33.239
173.245.59.239
2606:4700:58::adf5:3bef
2803:f800:50::6ca2:c1ef
2a06:98c1:50::ac40:21ef		 toby.ns.cloudflare.com
toby.ns.cloudflare.com
toby.ns.cloudflare.com
toby.ns.cloudflare.com
toby.ns.cloudflare.com
toby.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   121ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.54.161 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.140.90 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   104ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.protonmail.ch 176.119.200.128
185.205.70.128
185.70.42.128		 mail.protonmail.ch
mail.protonmail.ch
mail.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG
20 300s mailsec.protonmail.ch 176.119.200.129
185.205.70.129
185.70.42.129		 mailsec.protonmail.ch
mailsec.protonmail.ch
mailsec.protonmail.ch		 AS62371 Proton AG
AS62371 Proton AG
AS62371 Proton AG

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.99.214.40

🔷 AAAA Records (IPv6)#

2 records   120ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:8c5a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:36a1 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   124ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.161,172.67.140.90 ech=AEX+DQBBfwAgACDlN/APJe842suG7okVAUhmIPDJ0AZYCxDhLcLer77EfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:8c5a,2606:4700:3037::6815:36a1

📝 TXT Records#

2 records   233ms
TXT Record
protonmail-verification=d21bc38163f2a92d6e281b05be2f6d7420ba467a
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF#

PolicyRecord (kju.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC#

PolicyRecord (_dmarc.kju.dk)
p=quarantine v=DMARC1; p=quarantine

📬 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 2026-10-17 16:28:07
www104.21.54.161 172.67.140.90 2606:4700:3032::ac43:8c5a 2606:4700:3037::6815:36a1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   97ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

170ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2414337957
Primary NS (MNAME)tegan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 16:57:20
FieldValue
RegistrarSimply.com A/S
Registered2016-11-07
Expires2026-11-30 (41d)

🔗 Same registrant#

7 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).

DomainRegistrar
0z.dkSimply.com A/S
handsal.dkSimply.com A/S
i-l.dkSimply.com A/S
kodebank.dkSimply.com A/S
kodedepot.dkSimply.com A/S
sanselege.dkSimply.com A/S
udfyld.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
122ms
A
121ms
MX
104ms
AAAA
120ms
TXT
233ms
CAA
90ms
HTTPS
124ms
TLSA
97ms
SOA
0ms
MTA-STS
133ms
DNSSEC
170ms
SRV
705ms
Total
1557ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 16:28:07 1927ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-08 23:11:10 1039ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-07 23:06:52 523ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-05 19:52:21 860ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-02 19:42:55 1108ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-29 19:19:30 644ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-23 23:54:37 964ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-21 17:08:18 3135ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-12 12:32:36 shown 1557ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-25 12:41:09 2053ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-19 07:08:05 6095ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-17 13:43:37 7053ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-10 17:12:42 1988ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-08 03:40:00 10561ms 2 NS 2 A 1 MX 🔓 Insecure
2026-07-19 08:21:01 3047ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 14:36:20 2651ms 2 NS 2 A 1 MX 🔓 Insecure
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