erikandersen.dk is a .dk domain served by 3 nameservers (ns1.c-system.dk, ns2.c-system.dk, ns3.c-system.dk). It was registered on 28 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.12.60.83 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by erikandersen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns1.c-system.dk | 49.12.60.90 | ns1.c-system.dk | AS24940 Hetzner Online GmbH |
| ns2.c-system.dk | 49.12.60.94 | ns2.c-system.dk | AS24940 Hetzner Online GmbH |
| ns3.c-system.dk | 130.162.220.97 | — | AS31898 Oracle Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 49.12.60.83 | 38400s | web01.c-system.dk | AS24940 | Hetzner Online GmbH | 49.12.0.0/15 | 🇩🇪 Germany | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms12620457 |
| v=spf1 a mx a:web01.c-system.dk ip4:93.161.90.182 ip4:49.12.60.83 include:spf.protection.outlook.com -all |
| Policy | Record (erikandersen.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx a:web01.c-system.dk ip4:93.161.90.182 ip4:49.12.60.83 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.erikandersen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; fo=1 |
| www CNAME | erikandersen.dk (all on erikandersen.dk) → 49.12.60.83 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-erikandersen-dk._domainkey.erikandersen.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · 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 | 2018100922 |
| Primary NS (MNAME) | ns1.c-system.dk |
| Responsible (RNAME) | admin@c-system.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1309600s |
| Minimum (neg-cache TTL) | 38400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-10-28 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 04:28:23 | 1623ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 17:36:03 shown | 1354ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 19:06:15 | 1936ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:48:25 | 3304ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:00:14 | 3003ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 05:52:31 | 721ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 16:00:08 | 1093ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 13:12:44 | 5232ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:10:34 | 653ms | 3 NS 1 A 1 MX | 🔓 Insecure |