crestwing.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 April 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.130.94 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by crestwing-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.242.130.94 | — | web3.e-studio.dk | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms60186213 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (crestwing.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.crestwing.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rpb@crestwing.dk; ruf=mailto:rpb@crestwing.dk; fo=1 |
| www | 195.242.130.94 (AS62121) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-crestwing-dk._domainkey.crestwing1.k-v1.dkim.mail.microsoft | 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 | 2026060901 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2013-04-28 |
| Expires | 2027-04-30 (195d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 04:30:46 | 1041ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 16:49:27 | 1045ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 22:42:32 | 815ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 14:01:17 | 876ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 13:58:55 | 1478ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 15:38:33 | 1048ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 04:04:22 | 5798ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 12:22:38 | 9056ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 00:02:55 | 1026ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:55:41 shown | 1448ms | 2 NS 1 A 1 MX | 🔒 Secure |