hjertstedt.dk

📜 Historical scan 2026-10-22 13:48:23  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hjertstedt.dk is a .dk domain served by 2 nameservers (dorthy.ns.cloudflare.com, jason.ns.cloudflare.com). It was registered on 3 December 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.76.231 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no 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
NameserverIP addressesPTRASN / ISP
dorthy.ns.cloudflare.com 108.162.192.249
172.64.32.249
173.245.58.249
2606:4700:50::adf5:3af9
2803:f800:50::6ca2:c0f9
2a06:98c1:50::ac40:20f9		 dorthy.ns.cloudflare.com
dorthy.ns.cloudflare.com
dorthy.ns.cloudflare.com
dorthy.ns.cloudflare.com
dorthy.ns.cloudflare.com
dorthy.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
jason.ns.cloudflare.com 108.162.193.179
172.64.33.179
173.245.59.179
2606:4700:58::adf5:3bb3
2803:f800:50::6ca2:c1b3
2a06:98c1:50::ac40:21b3		 jason.ns.cloudflare.com
jason.ns.cloudflare.com
jason.ns.cloudflare.com
jason.ns.cloudflare.com
jason.ns.cloudflare.com
jason.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   43ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.76.231 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.202.17 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.103.108
94.231.106.20		 mx.simply.com
mx.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.202.17
🔶 Autoconfig172.67.202.17

🔷 AAAA Records (IPv6)#

2 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3034::6815:4ce7 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::ac43:ca11 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   43ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.76.231,172.67.202.17 ech=AEX+DQBBvAAgACAg2NVnaOXrzdELt+BaRIpfJBOa/3Ch4Let92Z5LaA+XQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:4ce7,2606:4700:3035::ac43:ca11

📝 TXT Records#

1 records   182ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (hjertstedt.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-25 09:11:15
www104.21.76.231 172.67.202.17 2606:4700:3034::6815:4ce7 2606:4700:3035::ac43:ca11 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.hjertstedt.dk OEHeBCuTzdC9xkfJCVVlbxjwVcjXr5iJvzcK0rfu6NA
TXT _acme-challenge.hjertstedt.dk PzjqXtrTtF7EpGCIA4xaAAhdtuEP9pIMpXAgBF_2YDg

🔗 TLSA / DANE#

2 records   61ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

67ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

33ms
FieldValue
Serial2418116417
Primary NS (MNAME)dorthy.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-25 09:34:26
FieldValue
RegistrarSimply.com A/S
Registered2025-12-03
Expires2026-12-02 (37d)

🔗 Same registrant#

1 domain

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
zth.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
43ms
MX
37ms
AAAA
36ms
TXT
182ms
CAA
40ms
HTTPS
43ms
TLSA
61ms
SOA
33ms
MTA-STS
60ms
DNSSEC
67ms
SRV
66ms
Total
459ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 09:11:15 2633ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-22 13:48:23 shown 459ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-03 03:44:35 457ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 15:05:23 663ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-30 08:17:50 487ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-24 16:34:14 9488ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-25 05:10:24 861ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-24 04:57:14 3279ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-17 12:53:15 1989ms 3 NS 1 A 1 MX 🔒 Secure
2026-06-17 12:38:16 257ms 0 NS 0 A 0 MX ❓ Unknown
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