dzidra.dk

Records from scan: 2026-10-18 14:32:51  ·  414ms total  ·  last checked 2026-10-20 17:46 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   28ms
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   39ms
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   31ms
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   37ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:c29b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:341c 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   22ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.52.28,172.67.194.155 ech=AEX+DQBBvAAgACBna+jyTvlpYDGQRQiZZDdqjboRr6Bm4yRSsQU9L3txBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c29b,2606:4700:3037::6815:341c

🔌 SRV Records#

1 records   63ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   144ms
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#

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

🔗 TLSA / DANE#

1 records   58ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…

🔐 DNSSEC#

54ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

40ms
FieldValue
Serial2417736311
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 (313d)

🔗 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
28ms
A
39ms
MX
31ms
AAAA
37ms
TXT
144ms
CAA
26ms
HTTPS
22ms
TLSA
58ms
SOA
40ms
MTA-STS
45ms
DNSSEC
54ms
SRV
63ms
Total
414ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 14:32:51 shown 414ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-17 14:27:57 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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