kerteminde-efterskole.dk

📜 Historical scan 2026-08-08 10:56:49 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kerteminde-efterskole.dk is a .dk domain served by 2 nameservers (etta.ns.cloudflare.com, oswald.ns.cloudflare.com). It was registered on 9 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.90 is hosted by Cloudflare, Inc. (AS13335). 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
etta.ns.cloudflare.com	108.162.192.156 172.64.32.156 173.245.58.156 2606:4700:50::adf5:3a9c 2803:f800:50::6ca2:c09c 2a06:98c1:50::ac40:209c	etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
oswald.ns.cloudflare.com	108.162.193.218 172.64.33.218 173.245.59.218 2606:4700:58::adf5:3bda 2803:f800:50::6ca2:c1da 2a06:98c1:50::ac40:21da	oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.ns.cloudflare.com oswald.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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.90	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.218.26	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:185a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:da1a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 68ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.90,172.67.218.26 ech=AEX+DQBBtAAgACAfkhozE+s0sdHH5rVLgHke+RDYLjn2U4wl78UP3yy1cAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:185a,2606:4700:3030::ac43:da1a

📝 TXT Records#

2 records 166ms

TXT Record
mandrill_verify.gtXOyJ9OpAhI3jr4g9MMqg
v=spf1 include:singeropinions.com -all

✉️ SPF#

Policy	Record (kerteminde-efterskole.dk)
-all (hard fail)	v=spf1 include:singeropinions.com -all

📨 DMARC#

Policy	Record (_dmarc.kerteminde-efterskole.dk)
p=none (monitor only)	v=DMARC1; p=none;
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc_rua@innerhost.ehost-services165.com; ruf=mailto:dmarc_ruf@innerhost.ehost-services165.com; fo=1;

📬 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 2026-10-16 18:02:52

www	104.21.24.90 172.67.218.26 2606:4700:3030::6815:185a 2606:4700:3030::ac43:da1a (AS13335) (address records, no CNAME)
www vs bare domain	Same network kerteminde-efterskole.dk: 104.21.24.90 172.67.218.26 2606:4700:3030::6815:185a 2606:4700:3030::ac43:da1a (AS13335) www.kerteminde-efterskole.dk: 104.21.24.90 172.67.218.26 2606:4700:3030::6815:185a 2606:4700:3030::ac43:da1a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

166ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2411544128
Primary NS (MNAME)	etta.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 19:49:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-05-09
Expires	2027-05-31 (221d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

64ms

54ms

AAAA

61ms

TXT

166ms

CAA

69ms

HTTPS

68ms

TLSA

58ms

SOA

0ms

MTA-STS

41ms

DNSSEC

166ms

SRV

113ms

Total

820ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 19:30:17	634ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 18:48:00	529ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 15:26:53	2374ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 16:46:55	987ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 11:35:44	1345ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-08 10:56:49 shown	820ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 13:33:34	3466ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-18 06:20:12	947ms	2 NS 2 A 0 MX	🔓 Insecure