rengoring24.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.106.179 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.onlinemail.io, mx10.mailspamprotection.com and 3 more. 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 |
|---|---|---|---|---|---|---|---|
| 94.231.106.179 | 600s | linux219.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 10 | 3600s | mx10.mailspamprotection.com | 34.149.79.66 | 66.79.149.34.bc.googleusercontent.com | AS396982 Google LLC |
| 20 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx20.mailspamprotection.com | 34.120.156.61 | 61.156.120.34.bc.googleusercontent.com | AS396982 Google LLC |
| 30 | 3600s | mx30.mailspamprotection.com | 34.111.121.216 | 216.121.111.34.bc.googleusercontent.com | AS396982 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 35.214.236.46 |
| 🔶 Autoconfig | autoconfig-mf.onlinemail.io → 185.21.40.62 |
| TXT Record |
|---|
| google-site-verification=qDTAF7lqlF97PqxqZArOr6MRp8q8Askosw6AarQUZVM |
| v=spf1 +a +mx +ip4:35.214.171.14 include:rengoring24.dk.spf.auto.dnssmarthost.net ~all |
| Policy | Record (rengoring24.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:35.214.171.14 include:rengoring24.dk.spf.auto.dnssmarthost.net ~all |
| Policy | Record (_dmarc.rengoring24.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 94.231.106.179 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u56286927.wl178.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u56286927.wl178.sendgrid.net | 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: 4/10 · 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 | 2026021601 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-22 07:38:29 shown | 684ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 20:48:57 | 688ms | 2 NS 1 A 5 MX | 🔒 Secure |