nældefeber.dk is a .dk domain served by 6 nameservers (a1-254.akam.net, a2-66.akam.net, a24-65.akam.net and 3 more). It was registered on 29 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.30.40 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.18.30.40 | 86400s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| 104.18.31.40 | 86400s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| Policy | Record (_dmarc.nældefeber.dk) |
|---|---|
| p=none (monitor only) | v=dmarc1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www CNAME | www.xn--nldefeber-g3a.dk.cdn.cloudflare.net (all on cloudflare.net) |
| www vs bare domain | Same network nældefeber.dk: 104.18.30.40 104.18.31.40 (AS13335) www.nældefeber.dk: 104.18.42.12 172.64.145.244 2606:4700:440b::ac40:91f4 2a06:98c1:310d::6812:2a0c (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.nældefeber.dk | 62cZ9ZSd1NNbpcVfjQj_gDC2WykJ3huC-Ob8-BPlwzQ |
| TXT | _acme-challenge.nældefeber.dk | cSBA68dIlcE_ycCkIElxEi8m0pmc2eZA3uGKgm6qFoo |
| TXT | _acme-challenge.nældefeber.dk | iG6mm2M18_1Ta4wOUYaHy9k6XxOmE4hRxSguvtici1g |
| 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 | 2024070202 |
| Primary NS (MNAME) | dns1.novartis.com |
| Responsible (RNAME) | hostmaster@novartis.com |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2592000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2017-08-29 |
| Expires | 2027-08-31 (309d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 18:58:06 | 452ms | 6 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-21 14:57:08 | 1171ms | 6 NS 2 A 0 MX | ❓ Unknown |
| 2026-10-04 01:13:13 | 401ms | 6 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 19:50:01 shown | 546ms | 6 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 07:01:01 | 639ms | 6 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 20:46:36 | 797ms | 6 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 11:12:55 | 4734ms | 6 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-22 23:50:45 | 1011ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 19:41:28 | 367ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:06:32 | 856ms | 6 NS 2 A 0 MX | 🔒 Secure |