hcadvisory.dk

📜 Historical scan 2026-10-05 21:06:24  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hcadvisory.dk is a .dk domain served by 2 nameservers (patryk.ns.cloudflare.com, sarah.ns.cloudflare.com). It was registered on 27 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.22 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   44ms
NameserverIP addressesPTRASN / ISP
patryk.ns.cloudflare.com 108.162.195.122
162.159.44.122
172.64.35.122
2606:4700:58::a29f:2c7a
2803:f800:50::6ca2:c37a
2a06:98c1:50::ac40:237a		 patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com
patryk.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
sarah.ns.cloudflare.com 108.162.194.218
162.159.38.218
172.64.34.218
2606:4700:50::a29f:26da
2803:f800:50::6ca2:c2da
2a06:98c1:50::ac40:22da		 sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.ns.cloudflare.com
sarah.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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.66.22 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.155.81 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   37ms
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

🔷 AAAA Records (IPv6)#

2 records   45ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:4216 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::ac43:9b51 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.66.22,172.67.155.81 ech=AEX+DQBBLwAgACBhZV/aFgJ0XnThHbp4jm3AI/QQxKSlCxoW4wdyBilwbwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4216,2606:4700:3037::ac43:9b51

📝 TXT Records#

3 records   157ms
TXT Record
google-site-verification=5dFSLtE_1Or5s44BpgIPwY92wJFrrHCel0Wcx3_stmc
protonmail-verification=a3fdd2bed186712e908427a8f5b6de5808bc0700
v=spf1 include:_spf.protonmail.ch include:spf.leadconnectorhq.com include:spf.apollo.io ~all

✉️ SPF#

PolicyRecord (hcadvisory.dk)
~all (soft fail) v=spf1 include:_spf.protonmail.ch include:spf.leadconnectorhq.com include:spf.apollo.io ~all

📨 DMARC#

PolicyRecord (_dmarc.hcadvisory.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 2026-10-19 19:29:43
www104.21.66.22 172.67.155.81 2606:4700:3030::6815:4216 2606:4700:3037::ac43:9b51 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

  • error include:spf.apollo.io has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔗 TLSA / DANE#

4 records   195ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch DANE-EE · SPKI · SHA-256 6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

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

🏷️ SOA#

47ms
FieldValue
Serial2416647335
Primary NS (MNAME)patryk.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-18 19:18:47
FieldValue
RegistrarSimply.com A/S
Registered2026-01-27
Expires2027-01-26 (96d)

🔗 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
44ms
A
30ms
MX
37ms
AAAA
45ms
TXT
157ms
CAA
51ms
HTTPS
38ms
TLSA
195ms
SOA
47ms
MTA-STS
55ms
DNSSEC
108ms
SRV
58ms
Total
1090ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 19:29:43 924ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-18 18:50:16 1552ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-12 12:45:01 1259ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-05 21:06:24 shown 1090ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-30 20:46:17 680ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-17 05:04:31 1208ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-22 00:57:02 10269ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-21 00:49:54 16725ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-19 23:20:44 2255ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-18 21:57:45 5220ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-13 00:55:10 5559ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-09 19:51:42 18028ms 2 NS 2 A 2 MX 🔓 Insecure
2026-08-06 02:53:19 1256ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-28 22:42:33 1105ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-23 05:24:59 3211ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-22 13:41:56 1148ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 08:47:13 1511ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-20 11:43:03 4711ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-20 01:42:52 2560ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-19 14:33:20 1164ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 11:11:07 1132ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 11:04:53 1269ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 10:59:27 1515ms 2 NS 2 A 2 MX 🔓 Insecure
2026-06-17 10:57:18 3820ms 2 NS 2 A 2 MX 🔓 Insecure
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