prisbyg.dk is a .dk domain served by 2 nameservers (martin.ns.cloudflare.com, poppy.ns.cloudflare.com). It was registered on 4 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.83.106 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.83.106 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.223.72 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | prisbyg.dk → 139.59.208.82 |
| 🔶 Autoconfig | prisbyg.dk → 139.59.208.82 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:536a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:df48 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.83.106,172.67.223.72 ech=AEX+DQBBXwAgACBpZ/MBLpQy9QmmGKzHdE/xlOJ2iMmUfU3krv/kCGzmQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:536a,2606:4700:3031::ac43:df48 |
| TXT Record |
|---|
| google-site-verification=Ar2YmWm3twQe2OzqBBOA1eOrOhb-mgKx0vfz532hbx0 |
| v=spf1 include:servers.mcsv.net ?all |
| v=spf1 include:spf.mandrillapp.com ip4:185.7.62.206 ?all |
| Policy | Record (prisbyg.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:servers.mcsv.net ?all |
| ?all (neutral) | v=spf1 include:spf.mandrillapp.com ip4:185.7.62.206 ?all |
| www | 104.21.83.106 172.67.223.72 2606:4700:3030::6815:536a 2606:4700:3031::ac43:df48 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 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
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.prisbyg.dk | prisbyg.dk |
| 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 | 2415907797 |
| Primary NS (MNAME) | martin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-06-04 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:27:07 | 808ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-09-30 02:50:19 | 1224ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-09-27 23:12:55 shown | 9714ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-09-27 00:24:33 | 1468ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-09-26 00:09:07 | 985ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-09-10 02:12:57 | 2789ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-08-25 05:36:02 | 2775ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-08-01 18:21:32 | 9153ms | 2 NS 2 A 6 MX | ❓ Unknown |
| 2026-06-26 13:28:36 | 1414ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-06-24 16:16:37 | 1045ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-06-24 03:15:22 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 01:02:58 | 1198ms | 2 NS 2 A 6 MX | 🔓 Insecure |