dbufyn.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 12 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.191.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dbufyn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.scannet2.dk | — | — | — |
| ns2.scannet2.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.19.191.28 | — | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| TXT Record |
|---|
| fArRBIVrJmmxWcqztux/cDIrzwFS+GtzySdxp1rpj88= |
| google-site-verification=xlZwfTleC1CVh_v7ICizdw1H_06RjB5H2wlSLCY6as8 |
| MS=ms62192891 |
| qYV5bBdQqNpFrHDsvk+2w/FBAAQC2MJOa3n/HTzU6eVkN59JapoG1Wgg+OJRmNwuecyi2XWmVT8Q5YwITsrGNw== |
| v=spf1 ip4:87.54.50.122 ip4:87.54.50.123 ip4:10.75.2.11 ip4:10.75.2.10 ip4:185.163.189.136 include:spf.protection.outlook.com include:_spf.presscloud.com include:sendgrid.net -all |
| y6AIQu5kM0uV+D2WwRGDH2+jFDbkKY0IIVfU8IG8Ifo= |
| Policy | Record (dbufyn.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.54.50.122 ip4:87.54.50.123 ip4:10.75.2.11 ip4:10.75.2.10 ip4:185.163.189.136 include:spf.protection.outlook.com include:_spf.presscloud.com include:sendgrid.net -all |
| Policy | Record (_dmarc.dbufyn.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:6891c48d51a6f@dmarc-dk.centerasecurity.com; ruf=mailto:6891c48d51a6f@dmarc-dk.centerasecurity.com; fo=0; pct=100; ri=86400 |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Same network dbufyn.dk: 104.19.191.28 (AS13335) www.dbufyn.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-dbufyn-dk._domainkey.danskboldspilunion.onmicrosoft.com | 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: 4/10 · 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 | 2025121501 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | A/S SCANNET |
| Registered | 2008-06-12 |
| Expires | 2027-06-30 (253d) |
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 |
|---|---|---|---|
| 2026-09-30 10:52:18 | 1376ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 16:10:59 | 1743ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 14:05:49 | 3597ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 03:48:59 | 788ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 00:45:38 | 1209ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 13:36:16 | 909ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 01:16:04 shown | 826ms | 2 NS 1 A 1 MX | 🔒 Secure |