rs-holm.dk is a .dk domain served by 3 nameservers (a.ns.netic.dk, b.ns.netic.dk, c.ns.netic.dk). It was registered on 15 April 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.243.49.205 is hosted by Netic A/S (AS42697) in Denmark. Mail is handled by mxfilter01.netic.dk, mxfilter02.netic.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.243.49.205 | 28800s | web-php7.netic.dk | AS42697 | Netic A/S | 77.243.48.0/20 | 🇩🇰 Denmark | Aalborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 28800s | mxfilter01.netic.dk | 2a03:dc80:0:f136::207 77.243.50.207 |
mxfilter01.netic.dk mxfilter01.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| 10 | 28800s | mxfilter02.netic.dk | 2a03:dc80:0:f136::213 77.243.50.213 |
mxfilter02.netic.dk mxfilter02.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| TXT Record |
|---|
| v=spf1 include:_spf.netic.dk -all |
| Policy | Record (rs-holm.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.netic.dk -all |
| www | 77.243.49.205 (AS42697) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxfilter01.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| SMTP _25._tcp.mxfilter02.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| 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 | 2345 |
| Primary NS (MNAME) | a.ns.netic.dk |
| Responsible (RNAME) | hostmaster@netic.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 60s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-04-15 |
| Expires | 2027-04-30 (185d) |
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 |
|---|---|---|---|
| 2026-10-20 11:53:01 | 1241ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-07 19:32:40 shown | 2520ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 14:24:57 | 1550ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 01:07:34 | 1897ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-03 11:11:56 | 3089ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 15:28:31 | 786ms | 3 NS 1 A 2 MX | 🔓 Insecure |