tandbook.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 December 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by web6.netplads.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | web6.netplads.dk | 91.221.196.224 | — | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.221.196.224 |
| 🔶 Autoconfig | 91.221.196.224 |
| TXT Record |
|---|
| _665ltwll6cuj909ot3egx7b6v7wrabv |
| _i0mfrcea6gsz2ybzl916dgfoo2vbl49 |
| g4m2q5ntjpr5xrypvnckpwf5xx595s0k |
| gxt8c2x6002n965xg07p09k9vvy9ktts |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100301 |
| 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 | 2019-12-04 |
| Expires | 2034-12-31 (2995d) |
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 |
|---|---|---|---|
| 2026-10-07 21:37:13 | 2087ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 20:21:40 shown | 903ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 20:07:57 | 666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:06:58 | 587ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 17:55:49 | 566ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 15:36:02 | 1023ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 08:43:57 | 680ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 18:50:24 | 10728ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 21:50:30 | 687ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:11:24 | 458ms | 2 NS 1 A 1 MX | 🔒 Secure |