cphelteknik.dk

📜 Historical scan 2026-10-13 16:17:30  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cphelteknik.dk is a .dk domain served by 2 nameservers (arturo.ns.cloudflare.com, deb.ns.cloudflare.com). It was registered on 2 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.22.236 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. 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   28ms
NameserverIP addressesPTRASN / ISP
arturo.ns.cloudflare.com 108.162.195.216
162.159.44.216
172.64.35.216
2606:4700:58::a29f:2cd8
2803:f800:50::6ca2:c3d8
2a06:98c1:50::ac40:23d8		 arturo.ns.cloudflare.com
arturo.ns.cloudflare.com
arturo.ns.cloudflare.com
arturo.ns.cloudflare.com
arturo.ns.cloudflare.com
arturo.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
deb.ns.cloudflare.com 108.162.192.92
172.64.32.92
173.245.58.92
2606:4700:50::adf5:3a5c
2803:f800:50::6ca2:c05c
2a06:98c1:50::ac40:205c		 deb.ns.cloudflare.com
deb.ns.cloudflare.com
deb.ns.cloudflare.com
deb.ns.cloudflare.com
deb.ns.cloudflare.com
deb.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   33ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.22.236 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.207.151 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover93.191.156.195
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:cf97 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:16ec 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   39ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.22.236,172.67.207.151 ech=AEX+DQBBqAAgACAbuyJ1WhVbktAoyJ6RupKHsBL7FEnihoQL0YhD4e/5fwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:cf97,2606:4700:3037::6815:16ec

🔌 SRV Records#

1 records   75ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   179ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.cphelteknik.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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 2026-10-22 10:00:32
www104.21.22.236 172.67.207.151 2606:4700:3035::ac43:cf97 2606:4700:3037::6815:16ec (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.cphelteknik.dk dO83BDqIfcy17h1xm_jBfv5W_yAd4hPUF6s0f-KiN4U
TXT _acme-challenge.cphelteknik.dk qVRj3OmxbXnfTvvuqnuBFNdm4jzX2VQyh_FdP6uosII

🔗 TLSA / DANE#

1 records   50ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

65ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

46ms
FieldValue
Serial2417385266
Primary NS (MNAME)arturo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-22 10:10:03
FieldValue
RegistrarSimply.com A/S
Registered2019-07-02
Expires2027-07-31 (277d)

🔗 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
28ms
A
33ms
MX
39ms
AAAA
33ms
TXT
179ms
CAA
37ms
HTTPS
39ms
TLSA
50ms
SOA
46ms
MTA-STS
47ms
DNSSEC
65ms
SRV
75ms
Total
488ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 10:00:32 1330ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-15 18:41:38 484ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-14 18:13:06 2562ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-13 16:17:30 shown 488ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-02 04:16:40 596ms 4 NS 1 A 1 MX 🔒 Secure
2026-10-01 04:12:20 605ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-12 16:21:03 584ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-06 03:50:52 913ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-27 11:39:44 747ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-29 17:48:34 610ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-26 02:50:35 500ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-23 01:24:24 1179ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-16 22:52:34 421ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-16 22:40:04 710ms 4 NS 1 A 1 MX 🔒 Secure
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