nybbr.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.173 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by nybbr-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.173 | 3600s | webcluster2.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:806c:50a2:167a:6fe6 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| google-site-verification=5JGWSnT8Nd2lnd9I-N_BjtE4s4sTDwZ3-aGEENPrr48 |
| Host: _dmarc Type: TXT Value: v=DMARC1; p=quarantine; rua=mailto:kontakt@nybbr.dk; ruf=mailto:kontakt@nybbr.dk; sp=none; aspf=r; |
| MS=ms78098719 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (nybbr.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.nybbr.dk) |
|---|---|
| p=none (monitor only) | v=dmarc1; p=none; |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network nybbr.dk: 162.159.143.30 172.66.3.26 (AS13335) www.nybbr.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-nybbr-dk._domainkey.onlinetegn.w-v1.dkim.mail.microsoft | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-07-14 |
| Expires | 2027-07-13 (264d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 12:43:53 | 1426ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 14:33:44 | 1184ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 14:32:42 | 1360ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 14:25:23 | 535ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 16:42:38 | 743ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 18:16:24 | 3537ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 16:04:33 | 1217ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 20:55:35 | 758ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 11:22:59 shown | 1188ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 23:48:03 | 2881ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 05:21:00 | 1000ms | 2 NS 1 A 1 MX | 🔒 Secure |