kronborggymnasterne.dk

Records from scan: 2026-10-19 15:32:29  ·  886ms total  ·  last checked 2026-10-22 02:29 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kronborggymnasterne.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 30 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.94 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is not DNSSEC-signed, has no 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   34ms
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   36ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.50.94 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.159.236 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

4 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 300s mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 300s mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 300s mx4.mailpod15-cph3.g1i.one.com 104.37.35.39 mx4.mailpod15-cph3.g1i.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover104.21.50.94
🔶 Autoconfig172.67.159.236

🔷 AAAA Records (IPv6)#

2 records   34ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::6815:325e 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::ac43:9fec 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   52ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.50.94,172.67.159.236 ech=AEX+DQBBoQAgACDRLi6HQpKnzBgq+2zMDDk03qbyJ+f0IU1YkBjn8Q76eQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:325e,2606:4700:3034::ac43:9fec

📝 TXT Records#

1 records   181ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (kronborggymnasterne.dk)
~all (soft fail) v=spf1 include:_custspf.one.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#

checked 2026-10-19 15:32:29
www104.21.50.94 172.67.159.236 2606:4700:3030::6815:325e 2606:4700:3034::ac43:9fec (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#

4 records   81ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 FEA3731F9349938931D39CCE9FCE17B7…

🔐 DNSSEC#

112ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

33ms
FieldValue
Serial2417651289
Primary NS (MNAME)duke.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 10:31:56
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-08-30
Expires2027-09-30 (342d)

🔗 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
hgf-gymnastik.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
34ms
A
36ms
MX
39ms
AAAA
34ms
TXT
181ms
CAA
48ms
HTTPS
52ms
TLSA
81ms
SOA
33ms
MTA-STS
55ms
DNSSEC
112ms
SRV
69ms
Total
886ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 15:32:29 shown 886ms 2 NS 2 A 4 MX 🔓 Insecure
2026-10-18 14:31:55 1710ms 2 NS 2 A 4 MX 🔓 Insecure
2026-10-17 13:18:10 1034ms 2 NS 2 A 4 MX 🔓 Insecure
2026-10-16 12:57:54 684ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-30 18:01:53 2592ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-24 17:26:41 2543ms 2 NS 2 A 4 MX 🔓 Insecure
2026-09-10 19:28:38 826ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-25 05:23:03 2044ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-18 23:31:32 6748ms 2 NS 2 A 4 MX 🔓 Insecure
2026-08-16 14:26:04 4419ms 2 NS 2 A 4 MX 🔓 Insecure
2026-07-03 14:56:21 2976ms 2 NS 2 A 4 MX 🔓 Insecure
2026-07-01 05:31:22 1801ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-26 21:10:22 822ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-21 10:44:47 731ms 2 NS 2 A 4 MX 🔓 Insecure
2026-06-18 00:24:06 983ms 2 NS 2 A 4 MX 🔓 Insecure
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