5mail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.118 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by corow-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.118 | 3600s | webcluster2.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 46.30.215.118 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:80b7:304a:bc68:9fb1 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms93906266 |
| v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| Policy | Record (5mail.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all |
| www | 46.30.215.123 2a02:2350:5:111:80dc:ede2:1a5d:7e1c (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network 5mail.dk: 46.30.215.123 2a02:2350:5:111:80dc:ede2:1a5d:7e1c (AS51468) www.5mail.dk: 46.30.215.123 2a02:2350:5:111:80dc:ede2:1a5d:7e1c (AS51468) |
| 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081305 |
| 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 | 2010-01-06 |
| Expires | 2027-01-31 (106d) |
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).
| Domain | Registrar |
|---|---|
| co-row.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:48:50 | 1126ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 08:12:40 | 1526ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 05:30:21 | 1337ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 07:04:11 shown | 4440ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 01:56:35 | 1432ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 01:26:56 | 729ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:14:33 | 698ms | 2 NS 1 A 1 MX | 🔒 Secure |