onlinekorrektur.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 June 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.161.97.188 is hosted by TN HOSTING ApS (AS198944) in Denmark. Mail is handled by mailscan10.tn-hosting.dk, mailscan11.tn-hosting.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 81.161.97.188 | 3600s | 81.161.97.188.static.ipv4.tn-skjern.dk | AS198944 | TN HOSTING ApS | 81.161.96.0/23 | 🇩🇰 Denmark | Hedensted |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mailscan10.tn-hosting.dk | 81.161.97.147 | mailscan10.tn-hosting.dk | AS198944 TN HOSTING ApS |
| 10 | 3600s | mailscan11.tn-hosting.dk | 81.161.97.150 | mailscan11.tn-hosting.dk | AS198944 TN HOSTING ApS |
| TXT Record |
|---|
| v=spf1 include:tn-hosting.dk -all |
| Policy | Record (onlinekorrektur.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:tn-hosting.dk -all |
| Policy | Record (_dmarc.onlinekorrektur.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@tn-hosting.dk; ruf=mailto:dmarc@tn-hosting.dk |
| www | 81.161.97.188 (AS198944) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · 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 | 2026100601 |
| 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 | 2011-06-17 |
| Expires | 2027-06-30 (249d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 11:26:09 shown | 1021ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 05:39:49 | 725ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 05:29:40 | 715ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 10:00:33 | 690ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 14:30:29 | 2712ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 12:03:31 | 1226ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 16:02:12 | 594ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 09:18:13 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 19:04:47 | 1573ms | 2 NS 1 A 2 MX | 🔒 Secure |