nerdweb.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 23 May 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.233.252.4 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.nerdweb.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 77.233.252.4 | 3600s | — | AS31027 | GlobalConnect A/S | 77.233.224.0/19 | 🇩🇰 Denmark | Hellerup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | mail.nerdweb.dk | 77.233.252.4 | — | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | nerdweb.dk → 77.233.252.4 |
| 🔶 Autoconfig | discovery.nerd911.dk → 77.233.252.6 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 1 | 10 | 443 | discovery.nerd911.dk |
| TXT Record |
|---|
| v=spf1 mx include:nerd911.onice.io -all |
| Policy | Record (nerdweb.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:nerd911.onice.io -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY |
| 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
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026023768 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-05-23 |
| Expires | 2027-05-31 (224d) |
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 |
|---|---|---|---|
| 2026-10-16 13:07:42 | 454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 19:44:58 | 1003ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 15:48:11 shown | 1986ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 14:40:18 | 762ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 02:43:52 | 702ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 21:22:29 | 2860ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 00:00:52 | 845ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 21:19:37 | 667ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 17:24:39 | 1045ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 06:18:22 | 1719ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 19:49:20 | 5285ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 13:46:40 | 1246ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 04:39:17 | 1461ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-03 22:40:20 | 1787ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 15:50:00 | 739ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 01:35:08 | 9080ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 11:35:02 | 1330ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 15:40:17 | 3423ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 12:47:25 | 1798ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 22:33:52 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 07:17:15 | 601ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 09:12:36 | 2818ms | 2 NS 1 A 1 MX | 🔒 Secure |