klimaundervisning.dk is a .dk domain served by 2 nameservers (macy.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 13 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.195 is hosted by Cloudflare, Inc. (AS13335). 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.80.195 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.153.79 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.153.79 |
| 🔶 Autoconfig | 104.21.80.195 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:50c3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:994f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.80.195,172.67.153.79 ech=AEX+DQBBvwAgACCh1hu1trKldJL0I0d+y5/zre/TayhkMY1KogM6uNtbTwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:50c3,2606:4700:3036::ac43:994f |
| TXT Record |
|---|
| v=spf1 a mx a:klimaundervisning.dk ip4:5.254.55.39 ip4:5.254.2.50 ?all |
| Policy | Record (klimaundervisning.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx a:klimaundervisning.dk ip4:5.254.55.39 ip4:5.254.2.50 ?all |
| www | 104.21.80.195 172.67.153.79 2606:4700:3034::6815:50c3 2606:4700:3036::ac43:994f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network klimaundervisning.dk: 104.21.80.195 172.67.153.79 2606:4700:3034::6815:50c3 2606:4700:3036::ac43:994f (AS13335) www.klimaundervisning.dk: 104.21.80.195 172.67.153.79 2606:4700:3034::6815:50c3 2606:4700:3036::ac43:994f (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · 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 | 2414193209 |
| Primary NS (MNAME) | macy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Ilkari Domains Limited |
| Registered | 2020-02-13 |
| Expires | 2027-02-28 (129d) |
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).
Showing 100 of 239.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 00:55:52 shown | 514ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 23:00:07 | 1045ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-08 11:53:29 | 542ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 08:53:50 | 1866ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 16:22:15 | 1222ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 19:48:09 | 2798ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 12:19:47 | 1187ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 07:25:04 | 1103ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 06:23:56 | 1010ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:10:12 | 1246ms | 3 NS 2 A 1 MX | 🔓 Insecure |