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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| 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 | — | — |
| 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 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.5.12,172.67.132.184 ech=AEX+DQBBkQAgACD27vCTFy0mu1pqNS36tsbP2m178zSs5RNpG3m8pMc7HQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:84b8,2606:4700:3037::6815:50c |
| 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 |
| Policy | Record (kertemindeefterskole.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:singeropinions.com include:_spf.google.com ~all |
| 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; |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| — | 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.
DNS lookups: 8/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417058624 |
| Primary NS (MNAME) | etta.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-05-23 |
| Expires | 2027-06-30 (251d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 22:49:58 shown | 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 | 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 |