bob-linkbuilding.dk is a .dk domain served by 2 nameservers (dorthy.ns.cloudflare.com, nick.ns.cloudflare.com). It was registered on 6 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.50.172 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dorthy.ns.cloudflare.com | — | — | — |
| nick.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.50.172 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.164.106 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:32ac | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:a46a | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.50.172,172.67.164.106 ech=AEX+DQBBQwAgACB/kjJxhdKdMifzADCBWwX4suHL5sc8EO3CxwUV7BdUPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:32ac,2606:4700:3037::ac43:a46a |
| TXT Record |
|---|
| google-site-verification=K5KtA3kV6Am1-ksia8MiAIa9jWqh2zK654IxGXoZUMU |
| include:20372222.spf03.hubspotemail.net |
| v=spf1 ip4:49.12.83.57 include:spf.azehosting.net +a +mx include:_spf.google.com include:20372222.spf03.hubspotemail.net ~all |
| Policy | Record (bob-linkbuilding.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:49.12.83.57 include:spf.azehosting.net +a +mx include:_spf.google.com include:20372222.spf03.hubspotemail.net ~all |
| Policy | Record (_dmarc.bob-linkbuilding.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.21.50.172 172.67.164.106 2606:4700:3037::6815:32ac 2606:4700:3037::ac43:a46a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network bob-linkbuilding.dk: 104.21.50.172 172.67.164.106 2606:4700:3037::6815:32ac 2606:4700:3037::ac43:a46a (AS13335) www.bob-linkbuilding.dk: 104.21.50.172 172.67.164.106 2606:4700:3037::6815:32ac 2606:4700:3037::ac43:a46a (AS13335) |
| 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: 6/10 · policy: ~all
No problems found| 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 | 2405553318 |
| Primary NS (MNAME) | dorthy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Obsidian Digital A/S |
| Registered | 2020-12-06 |
| Expires | 2026-12-31 (72d) |
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 1,029.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:46:36 | 753ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-25 07:27:26 | 909ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-16 12:30:32 | 1897ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-01 17:20:31 | 923ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-27 16:07:16 | 2790ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-26 10:58:51 | 2737ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-29 21:54:08 | 3333ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-16 07:34:58 | 1468ms | 2 NS 2 A 5 MX | ❓ Unknown |
| 2026-06-26 02:47:34 | 981ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-19 07:19:34 | 1108ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-16 15:15:43 shown | 668ms | 2 NS 2 A 5 MX | 🔓 Insecure |