kertemindeefterskole.dk

📜 Historical scan 2026-08-25 16:47:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kertemindeefterskole.dk is a .dk domain served by 2 nameservers (etta.ns.cloudflare.com, oswald.ns.cloudflare.com). It was registered on 23 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.12 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 36ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.12	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.132.184	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 64.233.162.26	lt-in-f26.1e100.net lt-in-x1a.1e100.net li-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:84b8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:50c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.12,172.67.132.184 ech=AEX+DQBB3QAgACANZZD4/H2thbBLnTNJyLm3eCjbGOLeQewG9SHS5P4HDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:84b8,2606:4700:3037::6815:50c

📝 TXT Records#

5 records 198ms

TXT Record
adobe-idp-site-verification=53eb937e320c39959a07b6ed92f84767d87ac84ff4d982bc640b31374796711d
MS=876A3A8729F53B0D8748C23FE92CB78F068AE091
MS=ms29925154
MS=ms536-DFT-945
v=spf1 include:singeropinions.com include:_spf.google.com ~all

✉️ SPF#

Policy	Record (kertemindeefterskole.dk)
~all (soft fail)	v=spf1 include:singeropinions.com include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.kertemindeefterskole.dk)
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 2026-10-09 22:49:58

www	104.21.5.12 172.67.132.184 2606:4700:3034::ac43:84b8 2606:4700:3037::6815:50c (AS13335) (address records, no CNAME)
www vs bare domain	Same network kertemindeefterskole.dk: 104.21.5.12 172.67.132.184 2606:4700:3034::ac43:84b8 2606:4700:3037::6815:50c (AS13335) www.kertemindeefterskole.dk: 104.21.5.12 172.67.132.184 2606:4700:3034::ac43:84b8 2606:4700:3037::6815:50c (AS13335)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
google	—	RSA Invalid key data — receivers can't verify signatures
k1	—	RSA Invalid key data — receivers can't verify signatures

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 8/10 · policy: ~all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

76ms

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	2411955725
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 2026-10-09 23:04:58

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-05-23
Expires	2027-06-30 (249d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

34ms

48ms

AAAA

45ms

TXT

198ms

CAA

44ms

HTTPS

45ms

TLSA

119ms

SOA

0ms

MTA-STS

53ms

DNSSEC

76ms

SRV

78ms

Total

793ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 22:49:58	831ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-28 19:27:50	836ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-27 19:19:51	902ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-28 01:00:55	1396ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 01:10:00	1061ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-25 16:47:50 shown	793ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-13 03:23:44	4580ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-29 15:13:18	10676ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-22 21:04:16	1199ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 12:07:48	1230ms	2 NS 2 A 5 MX	🔓 Insecure