kertemindegymnastik.dk

📜 Historical scan 2026-10-23 06:46:00  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kertemindegymnastik.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 3 August 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.223 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   93ms
NameserverIP addressesPTRASN / ISP
duke.ns.cloudflare.com 108.162.193.110
172.64.33.110
173.245.59.110
2606:4700:58::adf5:3b6e
2803:f800:50::6ca2:c16e
2a06:98c1:50::ac40:216e		 duke.ns.cloudflare.com
duke.ns.cloudflare.com
duke.ns.cloudflare.com
duke.ns.cloudflare.com
duke.ns.cloudflare.com
duke.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com 108.162.192.180
172.64.32.180
173.245.58.180
2606:4700:50::adf5:3ab4
2803:f800:50::6ca2:c0b4
2a06:98c1:50::ac40:20b4		 kiki.ns.cloudflare.com
kiki.ns.cloudflare.com
kiki.ns.cloudflare.com
kiki.ns.cloudflare.com
kiki.ns.cloudflare.com
kiki.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   116ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.25.223 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.134.205 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   123ms
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
🔷 Autodiscover104.21.25.223
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

2 records   96ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::6815:19df 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:86cd 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   120ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.25.223,172.67.134.205 ech=AEX+DQBBgwAgACAAORZRUABls2l4QwM5wFzYV740L8r55P1ApCtWTb6yYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:19df,2606:4700:3034::ac43:86cd

🔌 SRV Records#

1 records   140ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   258ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (kertemindegymnastik.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 2026-10-24 20:24:10
www104.21.25.223 172.67.134.205 2606:4700:3033::6815:19df 2606:4700:3034::ac43:86cd (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#

2 records   395ms
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#

185ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

22ms
FieldValue
Serial2412816652
Primary NS (MNAME)duke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-17 03:27:50
FieldValue
RegistrarSimply.com A/S
Registered2009-08-03
Expires2027-08-31 (310d)

🔗 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
kgweb.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
93ms
A
116ms
MX
123ms
AAAA
96ms
TXT
258ms
CAA
113ms
HTTPS
120ms
TLSA
395ms
SOA
22ms
MTA-STS
113ms
DNSSEC
185ms
SRV
140ms
Total
1651ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-24 20:24:10 1259ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-23 06:46:00 shown 1651ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-20 05:02:24 547ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-17 03:17:17 1377ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-16 01:40:10 503ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-19 18:30:06 630ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-22 17:29:46 9888ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-17 05:19:30 1220ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-26 18:44:42 874ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-24 03:28:12 1239ms 2 NS 2 A 1 MX 🔓 Insecure
2026-06-23 06:07:50 963ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 13:08:20 743ms 2 NS 2 A 1 MX 🔓 Insecure
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