dzidra.dk

📜 Historical scan 2026-10-17 14:27:57  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dzidra.dk is a .dk domain served by 2 nameservers (giancarlo.ns.cloudflare.com, samara.ns.cloudflare.com). It was registered on 31 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.28 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   32ms
NameserverIP addressesPTRASN / ISP
giancarlo.ns.cloudflare.com 108.162.195.5
162.159.44.5
172.64.35.5
2606:4700:58::a29f:2c05
2803:f800:50::6ca2:c305
2a06:98c1:50::ac40:2305		 giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com
giancarlo.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
samara.ns.cloudflare.com 108.162.194.160
162.159.38.160
172.64.34.160
2606:4700:50::a29f:26a0
2803:f800:50::6ca2:c2a0
2a06:98c1:50::ac40:22a0		 samara.ns.cloudflare.com
samara.ns.cloudflare.com
samara.ns.cloudflare.com
samara.ns.cloudflare.com
samara.ns.cloudflare.com
samara.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   38ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.52.28 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.194.155 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   36ms
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
🔷 Autodiscover185.20.205.17
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   43ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:98c1:3120::1 300s — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —
2a06:98c1:3121::1 300s — AS13335 Cloudflare, Inc. 2a06:98c1:3120:0:0:0:0:0/46 — —

🔐 HTTPS Records#

1 records   54ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.52.28,172.67.194.155 ech=AEX+DQBBWgAgACCljesv8Km3jqZjwDEewdBUUlpdkNw8a6N6VX5o3JM3PQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c29b,2606:4700:3037::6815:341c

🔌 SRV Records#

1 records   67ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   177ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.dzidra.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 2026-10-18 14:32:51
www104.21.52.28 172.67.194.155 2606:4700:3035::ac43:c29b 2606:4700:3037::6815:341c (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.dzidra.dk p6tyt98rE7yptzoVfLeRgxsnfwTqJFKaH9sAp9bUTa0
TXT _acme-challenge.dzidra.dk qAizw6YQtr4CqKDNLqeJI4VqGO9-Q_OHqQGFr-0vtOQ

🔗 TLSA / DANE#

1 records   65ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

74ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

32ms
FieldValue
Serial2417720292
Primary NS (MNAME)giancarlo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 14:50:02
FieldValue
RegistrarSimply.com A/S
Registered2020-08-31
Expires2027-08-31 (315d)

🔗 Same registrant#

3 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
aarhusselfie.dkSimply.com A/S
maiskou.dkSimply.com A/S
skolebakken7.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
38ms
MX
36ms
AAAA
43ms
TXT
177ms
CAA
29ms
HTTPS
54ms
TLSA
65ms
SOA
32ms
MTA-STS
63ms
DNSSEC
74ms
SRV
67ms
Total
561ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 14:32:51 414ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-17 14:27:57 shown 561ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-01 21:10:52 643ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-24 19:48:47 504ms 4 NS 1 A 1 MX 🔒 Secure
2026-09-18 02:21:52 497ms 4 NS 1 A 1 MX 🔒 Secure
2026-08-25 23:32:32 530ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-02 01:19:36 1085ms 4 NS 1 A 1 MX 🔒 Secure
2026-07-02 00:42:43 662ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 05:21:46 459ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 05:20:08 549ms 4 NS 1 A 1 MX 🔒 Secure
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