john-josefsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.83 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx.mentor-it.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.83 | 3600s | webcluster1.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 600s | mx.mentor-it.dk | 176.62.205.101 176.62.205.102 176.62.205.103 176.62.205.104 |
mx1.mentor-it.dk mx2.mentor-it.dk mx3.mentor-it.dk mx4.mentor-it.dk |
AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S AS57030 Itm8 A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.97.168.184 |
| 🔶 Autoconfig | 46.30.215.83 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:9e:ec61:e307:8587 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=PCpdEYDf_kZwtJx6Wiaeyi3E5x3NuGstRgpC5RoF5Q |
| MS=ms62329059 |
| v=spf1 ip4:212.112.130.19 include:spf.mentor-it.dk include:spf.protection.outlook.com -all |
| Policy | Record (john-josefsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:212.112.130.19 include:spf.mentor-it.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.john-josefsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=s |
| www | 46.30.215.91 2a02:2350:5:111:db:8465:932b:40a8 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network john-josefsen.dk: 46.30.215.91 2a02:2350:5:111:db:8465:932b:40a8 (AS51468) www.john-josefsen.dk: 46.30.215.91 2a02:2350:5:111:db:8465:932b:40a8 (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 | 2026061705 |
| 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 | 2004-03-02 |
| Expires | 2027-03-31 (162d) |
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 |
|---|---|---|---|
| 2026-10-16 13:03:02 | 691ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 10:33:40 | 656ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 14:37:12 | 1631ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 14:42:26 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 13:39:05 | 915ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 10:45:59 | 1001ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 18:58:09 | 1183ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 02:44:39 | 5129ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 18:27:11 | 861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 00:31:30 | 8911ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 20:20:07 | 2233ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 20:41:21 shown | 567ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 01:29:07 | 11816ms | 2 NS 1 A 1 MX | 🔒 Secure |