osd.dk is a .dk domain served by 4 nameservers (ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and 1 more). It was registered on 15 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.239.32.21 is hosted by Google LLC (AS15169) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 |
|---|---|---|---|---|---|---|---|
| 216.239.32.21 | 3600s | any-in-2015.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.34.21 | 3600s | any-in-2215.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.36.21 | 3600s | any-in-2415.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.38.21 | 3600s | any-in-2615.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| TXT Record |
|---|
| google-site-verification=_OIPaXwbNAgN9llAz4Cgpuh2pv8WhFo_0sHohGipD9M |
| google-site-verification=3WjEquDmMHMRJqXtj0sp_6eHDwWDNRIVKEdQcNgJ5QM |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (osd.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.osd.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;rua=mailto:postmaster@osd.dk;adkim=s;aspf=s |
| www CNAME | ghs.googlehosted.com (all on googlehosted.com) |
| www vs bare domain | Same network osd.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) www.osd.dk: 142.250.178.83 2a00:1450:4030:801::2013 (AS15169) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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 | 27 |
| Primary NS (MNAME) | ns-cloud-b1.googledomains.com |
| Responsible (RNAME) | cloud-dns-hostmaster@google.com |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-10-15 |
| Expires | 2026-12-31 (68d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 17:12:45 | 971ms | 4 NS 4 A 5 MX | 🔒 Secure |
| 2026-09-14 15:16:56 | 1837ms | 4 NS 4 A 5 MX | 🔒 Secure |
| 2026-08-25 18:32:35 | 2858ms | 4 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-27 18:39:34 | 3023ms | 4 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-26 18:27:11 shown | 2839ms | 4 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-23 02:19:40 | 885ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 10:11:07 | 917ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 01:00:22 | 1566ms | 4 NS 4 A 5 MX | 🔒 Secure |
| 2026-06-18 06:55:16 | 3182ms | 4 NS 4 A 5 MX | 🔒 Secure |