gbu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 September 2026 (WHOIS) and first appeared in the .dk zone on 27 September 2026. Its website address 162.19.49.84 is hosted by OVH SAS (AS16276) in France. Mail is handled by gbu-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 162.19.49.84 | 600s | — | AS16276 | OVH SAS | 162.19.0.0/16 | 🇫🇷 France | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| TXT Record |
|---|
| MS=ms99680199 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (gbu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | 2026101301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-09-26 |
| Expires | 2027-09-25 (338d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 03:44:48 shown | 1126ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 10:01:52 | 3244ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 09:54:35 | 2391ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-01 09:50:13 | 580ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-28 09:08:14 | 798ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-27 08:46:31 | 1514ms | 2 NS 1 A 5 MX | 🔓 Insecure |