oi.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 17 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.140.27.115 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 128.140.27.115 | 10800s | static.115.27.140.128.clients.your-server.de | AS24940 | Hetzner Online GmbH | 128.140.0.0/17 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (oi.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.oi.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:6082a74ca9e59@dmarc.centerasecurity.com; |
| www CNAME | oi.dk (all on oi.dk) |
| www vs bare domain | Same network |
| 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) 0 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · 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 | 2026082701 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | hostmaster@balk.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-09-17 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-15 16:49:22 | 472ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-13 15:39:49 | 1498ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 19:36:18 | 1886ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 17:40:14 | 531ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 17:30:26 | 436ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 10:19:50 | 516ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-17 18:26:08 | 635ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-10 03:18:42 | 389ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-03 12:48:46 | 913ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 12:19:44 shown | 474ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 16:16:48 | 9032ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-14 12:09:27 | 3075ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-07 00:19:22 | 772ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-02 03:13:21 | 809ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 17:40:18 | 8531ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 12:37:42 | 639ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-11 17:01:12 | 773ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 19:46:11 | 4920ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-26 10:05:33 | 2612ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 20:22:21 | 1135ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:11:40 | 2516ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 00:14:15 | 953ms | 3 NS 1 A 0 MX | 🔒 Secure |