onefiber.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 24 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.140.18.90 is hosted by GlobalConnect AB (AS12552) in Sweden. Mail is handled by onefiber-dk.c-v1.mx.microsoft. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.140.18.90 | 3600s | — | AS12552 | GlobalConnect AB | 83.140.0.0/16 | 🇸🇪 Sweden | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.252.72 |
| 🔶 Autoconfig | 83.140.18.90 |
| TXT Record |
|---|
| apple-domain-verification=Z8Y6ParwXpL8tFBb |
| atlassian-domain-verification=/uiM7VrWdKuWEOIjH1FvFgutteGlx98qyzCbfs99U0G6whJNcfu6ampAPmyKAMsC |
| have-i-been-pwned-verification=dweb_f0r0tc870ud4wbstlek4bkiu |
| MS=ms83188432 |
| trustpilot-one-time-verification-id=4276fccd-6ba9-4f3a-9e8b-4c5e545a7aa2 |
| v=spf1 IP4:212.98.75.14 include:spf.mandrillapp.com include:spf.protection.outlook.com include:_spf.rulemailer.com -all |
| zoho-verification=zb59859197.zmverify.zoho.eu |
| Policy | Record (onefiber.dk) |
|---|---|
| -all (hard fail) | v=spf1 IP4:212.98.75.14 include:spf.mandrillapp.com include:spf.protection.outlook.com include:_spf.rulemailer.com -all |
| Policy | Record (_dmarc.onefiber.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; aspf=s; adkim=s; rua=mailto:dmarc_agg@vali.email |
| www | 83.140.18.90 (AS12552) (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 |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.onefiber-dk.c-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.onefiber-dk.c-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.onefiber-dk.c-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| SMTP _25._tcp.onefiber-dk.c-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026031739 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2020-01-24 |
| Expires | 2027-04-30 (193d) |
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 |
|---|---|---|---|
| 2026-10-18 03:28:47 | 1179ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 13:38:45 shown | 4515ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 13:15:41 | 2531ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 11:27:24 | 1465ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 06:58:21 | 914ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 11:55:40 | 1028ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 05:42:39 | 1905ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 11:13:01 | 2741ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 18:25:00 | 1597ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 06:01:48 | 10508ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 05:07:35 | 1489ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 04:20:47 | 1759ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 22:20:37 | 1804ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 21:56:02 | 1543ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 03:23:25 | 1175ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 08:22:08 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 05:22:22 | 977ms | 4 NS 1 A 1 MX | 🔒 Secure |