1ersen.dk is a .dk domain served by 3 nameservers (ns1.site4now.net, ns2.site4now.net, ns3.site4now.net). It was registered on 19 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 208.98.35.211 is hosted by Sharktech (AS46844) in United States. Mail is handled by igw16.site4now.net. The zone is of unknown DNSSEC status, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 208.98.35.211 | 600s | idim18.midiasucesso.info | AS46844 | Sharktech | 208.98.32.0/19 | 🇺🇸 United States | Chicago |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | igw16.site4now.net | 208.98.34.66 | mail5016.site4now.net | AS46844 Sharktech |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 208.98.35.211 |
| 🔶 Autoconfig | 208.98.35.211 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.site4now.net ?all |
| Policy | Record (1ersen.dk) |
|---|---|
| ?all (neutral) | v=spf1 a mx include:_spf.site4now.net ?all |
| Policy | Record (_dmarc.1ersen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:mark@1ersen.dk; ruf=mailto:mark@1ersen.dk; fo=1 |
| www | 208.98.35.211 (AS46844) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 4/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving '1ersen.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2024082706 |
| Primary NS (MNAME) | ns1.site4now.net |
| Responsible (RNAME) | hostmaster@smarterasp.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 777600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-02-19 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|---|---|
| 2026-09-25 04:14:19 | 1128ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 00:30:57 | 3004ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 02:48:36 | 2342ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:02:21 shown | 1510ms | 3 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-19 22:30:15 | 3321ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:44:23 | 1623ms | 3 NS 1 A 1 MX | 🔓 Insecure |