coretech.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.214.151.75 is hosted by Google Ireland Limited (AS43515) in The Netherlands. Mail is handled by coretech-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 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 |
|---|---|---|---|---|---|---|---|
| 35.214.151.75 | — | 75.151.214.35.bc.googleusercontent.com | AS43515 | Google Ireland Limited | 35.214.128.0/17 | 🇳🇱 The Netherlands | Groningen |
| TXT Record |
|---|
| F1chVrX5oZtur/J6ZxGah3M/RjU6vhDKtNJ3v+OeLhXleGgHL+yC0StGW6HvGAEvBfe+NNxGhBbtAKUWwevKtA== |
| MS=ms26446027 |
| MS=ms32306863 |
| v=spf1 mx ptr ip4:77.243.43.106 mx:mail.coretech.dk include:spf.protection.outlook.com -all |
| Policy | Record (coretech.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ptr ip4:77.243.43.106 mx:mail.coretech.dk include:spf.protection.outlook.com -all |
| www | 35.214.151.75 (AS43515) (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 |
DNS lookups: 4/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030701 |
| 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 | 1997-09-15 |
| Expires | 2027-09-30 (344d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 20:11:43 | 2138ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 19:08:54 | 989ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 21:04:30 | 1483ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 03:57:26 | 1581ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 20:20:30 | 1648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 14:15:22 | 1170ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 14:43:33 | 1086ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 14:37:39 | 1076ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 22:26:10 shown | 774ms | 2 NS 1 A 1 MX | 🔒 Secure |