jhk.dk

📜 Historical scan 2026-08-27 12:58:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

jhk.dk is a .dk domain served by 2 nameservers (coleman.ns.cloudflare.com, joselyn.ns.cloudflare.com). It was registered on 20 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.10 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   44ms
NameserverIP addressesPTRASN / ISP
coleman.ns.cloudflare.com 108.162.195.64
162.159.44.64
172.64.35.64
2606:4700:58::a29f:2c40
2803:f800:50::6ca2:c340
2a06:98c1:50::ac40:2340		 coleman.ns.cloudflare.com
coleman.ns.cloudflare.com
coleman.ns.cloudflare.com
coleman.ns.cloudflare.com
coleman.ns.cloudflare.com
coleman.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
joselyn.ns.cloudflare.com 108.162.194.43
162.159.38.43
172.64.34.43
2606:4700:50::a29f:262b
2803:f800:50::6ca2:c22b
2a06:98c1:50::ac40:222b		 joselyn.ns.cloudflare.com
joselyn.ns.cloudflare.com
joselyn.ns.cloudflare.com
joselyn.ns.cloudflare.com
joselyn.ns.cloudflare.com
joselyn.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   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.25.10 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.221.139 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.25.10
🔶 Autoconfig172.67.221.139

🔷 AAAA Records (IPv6)#

2 records   24ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3037::6815:190a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:dd8b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   24ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.25.10,172.67.221.139 ech=AEX+DQBBOQAgACDReRiOW+HwoQUTXzsusmUib7wRjR/raK7KozQJ3xIlTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:190a,2606:4700:3037::ac43:dd8b

📝 TXT Records#

1 records   151ms
TXT Record
v=spf1 ip4:87.62.98.104 -all

✉️ SPF#

PolicyRecord (jhk.dk)
-all (hard fail) v=spf1 ip4:87.62.98.104 -all

📨 DMARC#

PolicyRecord (_dmarc.jhk.dk)
p=reject v=DMARC1;p=reject;rua=mailto:9334e7c3abcd49eca2115593f186192b@dmarc-reports.cloudflare.net,mailto:noreply@jhk.dk;

📬 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 04:40:39
www104.21.25.10 172.67.221.139 2606:4700:3037::6815:190a 2606:4700:3037::ac43:dd8b (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY
BIMIv=BIMI1; l=https://jhkconsult.dk/images/logo/jhkconsult_3.svg

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.jhk.dk VGRr20ZMTZIJDJ5tljkB9jxZpG3jQCd-gpREWjJwp1w
TXT _acme-challenge.jhk.dk Xm6M2s4vEeo-Nn3H8Gyo_WacJvtlsnt6KWgLq9M0m_k
TXT _acme-challenge.jhk.dk p1GsIT7h4-0wvWGubfSDnUVvHOFU1ZsQB8w9GjYOVps
TXT _acme-challenge.jhk.dk pc5Wp1GS9bciT6AQpi-YwGmGGSYkynbZNid1ORNqpH0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413236806
Primary NS (MNAME)coleman.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 04:37:26
FieldValue
RegistrarONE.COM A/S
Registered1999-01-20
Expires2027-03-31 (162d)

🔗 Same registrant#

2 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
fleetsuite.dkONE.COM A/S
jhkconsult.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
29ms
MX
27ms
AAAA
24ms
TXT
151ms
CAA
24ms
HTTPS
24ms
TLSA
44ms
SOA
0ms
MTA-STS
39ms
DNSSEC
108ms
SRV
59ms
Total
520ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 04:40:38 2360ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-17 03:59:30 2545ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-01 06:48:54 711ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-24 07:31:55 723ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-23 03:47:38 897ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-14 05:40:15 1956ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-07 04:28:34 545ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-31 16:53:50 3662ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-28 06:31:21 783ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-27 12:58:37 shown 520ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-08 14:41:30 9985ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-06 13:00:39 1169ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-17 03:40:21 1102ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-14 12:47:04 1227ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-28 17:23:16 1015ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-21 08:54:34 1044ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-18 01:31:00 2895ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone