book2ski.dk is a .dk domain served by 3 nameservers (ns1.hosttech.at, ns2.hosttech.at, ns3.hosttech.at). It was registered on 27 August 2026 (WHOIS) and first appeared in the .dk zone on 28 August 2026. Its website address 185.101.158.113 is hosted by hosttech GmbH (AS207143) in Switzerland. Mail is handled by mail1.hosttech.eu, mail2.hosttech.eu. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 185.101.158.113 | 10800s | default.hosttech.eu | AS207143 | hosttech GmbH | 185.101.156.0/22 | 🇨🇭 Switzerland | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mail1.hosttech.eu | 193.203.253.28 2001:1680:101:83a::d8 |
mail1.hosttech.eu mail1.hosttech.eu |
AS207143 hosttech GmbH AS9044 BSE Software GmbH |
| 10 | 10800s | mail2.hosttech.eu | 2a11:8b80:1000:1::4c 45.131.253.20 |
mail2.hosttech.eu mail2.hosttech.eu |
AS13030 Init7 (Switzerland) Ltd. AS13030 Init7 (Switzerland) Ltd. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.101.158.113 |
| 🔶 Autoconfig | 185.101.158.113 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:1680:101:8bd::1 | 10800s | — | AS9044 | BSE Software GmbH | 2001:1680:0:0:0:0:0:0/29 | 🇨🇭 Switzerland | Zurich |
| TXT Record |
|---|
| v=spf1 +mx +a include:_spf.mail.hostserv.eu ~all |
| Policy | Record (book2ski.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +mx +a include:_spf.mail.hostserv.eu ~all |
| Policy | Record (_dmarc.book2ski.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100 |
| www | 185.101.158.113 2001:1680:101:8bd::1 (AS9044 AS207143) (address records, no CNAME) |
| www vs bare domain | Same network book2ski.dk: 185.101.158.113 2001:1680:101:8bd::1 (AS9044 AS207143) www.book2ski.dk: 185.101.158.113 2001:1680:101:8bd::1 (AS9044 AS207143) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 6/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail1.hosttech.eu | DANE-EE · SPKI · SHA-256 | B1CAE03780CB1DBF05834979E3474C6B… |
| SMTP _25._tcp.mail2.hosttech.eu | DANE-EE · SPKI · SHA-256 | B1CAE03780CB1DBF05834979E3474C6B… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026091112 |
| Primary NS (MNAME) | ns1.hosttech.at |
| Responsible (RNAME) | dns@hosttech.eu |
| Refresh | 7200s |
| Retry | 120s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | 1API GmbH |
| Registered | 2026-08-27 |
| Expires | 2027-08-26 (311d) |
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 |
|---|---|---|---|
| 2026-09-13 03:36:27 | 5834ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-11 17:46:04 shown | 6337ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-08 18:05:19 | 372ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-07 06:49:46 | 172ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-04 16:42:10 | 224ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-31 20:43:11 | 796ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-31 02:37:52 | 532ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-29 19:08:44 | 165ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-28 08:36:22 | 660ms | 1 NS 0 A 0 MX | ❓ Unknown |