klasseværelset.dk is a .dk domain served by 2 nameservers (ns3.nordicway.dk, ns4.nordicway.dk). It was registered on 22 March 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.71.4.69 is hosted by Bolignet A/s (AS44134) in Denmark. Mail is handled by xn--klassevrelset-9fb.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 217.71.4.69 | 3600s | 217.71.4.69.static.router4.bolignet.dk | AS44134 | Bolignet A/s | 217.71.0.0/20 | 🇩🇰 Denmark | Valby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | xn--klassevrelset-9fb.dk | 217.71.4.69 | 217.71.4.69.static.router4.bolignet.dk | AS44134 Bolignet A/s |
| TXT Record |
|---|
| v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 -all |
| Policy | Record (klasseværelset.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:148.251.244.167 +a +mx +ip4:157.90.179.89 -all |
| www CNAME | xn--klassevrelset-9fb.dk (all on xn--klassevrelset-9fb.dk) → 217.71.4.69 (AS44134) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
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: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.klasseværelset.dk | ZwMLqq_zwogvIByYR9jQkYL2LS9tfbW6uSvNK7b84Bg |
| 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 | 2026101103 |
| Primary NS (MNAME) | ns3.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-03-22 |
| Expires | 2028-03-31 (529d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 13:35:39 shown | 559ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 21:53:13 | 9557ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 04:07:30 | 9530ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 22:56:27 | 1117ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 23:43:56 | 719ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 00:11:21 | 1315ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-23 11:38:15 | 1101ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 06:01:18 | 775ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-23 03:25:06 | 499ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 22:05:41 | 1156ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 20:41:47 | 723ms | 2 NS 1 A 1 MX | 🔒 Secure |