a-2.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by a2-dk0c.q-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | — | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| TXT Record |
|---|
| apple-domain-verification=YJyJUnFLBt2C3pUU |
| v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all |
| Policy | Record (a-2.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all |
| Policy | Record (_dmarc.a-2.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www CNAME | a-2.dk (all on a-2.dk) |
| 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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.a2-dk0c.q-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| SMTP _25._tcp.a2-dk0c.q-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| SMTP _25._tcp.a2-dk0c.q-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| SMTP _25._tcp.a2-dk0c.q-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.a2-dk0c.q-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.a2-dk0c.q-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| 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 | 2000-10-10 |
| Expires | 2035-12-31 (3353d) |
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 |
|---|---|---|---|
| 2026-10-13 14:29:28 | 787ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 16:07:34 | 715ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 09:39:13 | 1927ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 01:08:50 | 658ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 21:37:41 | 700ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 09:29:45 | 1116ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 20:29:57 | 1128ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 01:32:33 | 1524ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 18:36:28 | 2805ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 19:51:40 | 3959ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:58:29 shown | 1732ms | 2 NS 1 A 1 MX | 🔒 Secure |