sos-rengoering.dk is a .dk domain served by 2 nameservers (ns1.wallin.dk, ns2.wallin.dk). It was registered on 25 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.236.30 is hosted by Edelskjold Holding ApS (AS215686) in Denmark. Mail is handled by mail.sos-rengoering.dk. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.wallin.dk | 5.103.25.173 | ns1.wallin.dk | AS44869 FIBIA P/S |
| ns2.wallin.dk | 5.103.25.174 | ns2.wallin.dk | AS44869 FIBIA P/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.229.236.30 | 300s | hosting.merkurnord.dk | AS215686 | Edelskjold Holding ApS | 91.229.236.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | mail.sos-rengoering.dk | 5.103.25.172 | web.wallin.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 5.103.25.172 |
| 🔶 Autoconfig | 5.103.25.172 |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:5.103.25.167 +ip4:5.103.25.172 +include:web.wallin.dk -all |
| Policy | Record (sos-rengoering.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +ip4:5.103.25.167 +ip4:5.103.25.172 +include:web.wallin.dk -all |
| www | 91.229.236.30 (AS215686) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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: 3/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sos-rengoering.dk | k4EMW4HYcO-VwQMDTKUy_JzBBz_WdDX8AiXcNd29QU8 |
| 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 | 2026101703 |
| Primary NS (MNAME) | ns1.wallin.dk |
| Responsible (RNAME) | backup@nordvest.it |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-11-25 |
| Expires | 2027-02-28 (131d) |
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).
| Domain | Registrar |
|---|---|
| rengøring-odsherred.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 18:27:35 shown | 1683ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 01:15:16 | 543ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 03:49:38 | 790ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-17 12:04:34 | 1009ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 18:41:33 | 616ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 03:38:39 | 3749ms | 2 NS 1 A 1 MX | 🔓 Insecure |