aerzen.dk is a .dk domain served by 2 nameservers (ns01.online4u.no, ns02.online4u.no). It was registered on 21 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 64.28.8.35 is hosted by Globalconnect As (AS2116) in Norway. Mail is handled by aerzen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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.online4u.no | 185.243.217.70 | ns01.online4u.no | AS56655 Gigahost AS |
| ns02.online4u.no | 64.28.8.34 | 34.32-47.8.28.64.in-addr.arpa | AS2116 Globalconnect As |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 64.28.8.35 | 3600s | 35.32-47.8.28.64.in-addr.arpa ww01.online4u.no |
AS2116 | Globalconnect As | 64.28.0.0/19 | 🇳🇴 Norway | Oslo |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| TXT Record |
|---|
| MS=ms18060710 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (aerzen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.163.120.122 (AS61157) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2022040104 |
| Primary NS (MNAME) | ns01.online4u.no |
| Responsible (RNAME) | niclas@fahrstedt.aerzen.se |
| Refresh | 1200s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-11-21 |
| Expires | 2026-11-30 (42d) |
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 |
|---|---|---|---|
| 2026-10-09 12:31:50 | 1375ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:25:38 | 3110ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 05:03:23 | 703ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 23:53:30 shown | 1122ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:55:00 | 1680ms | 2 NS 1 A 1 MX | 🔓 Insecure |