saruptømrer.dk is a .dk domain served by 2 nameservers (gabriella.ns.cloudflare.com, mitch.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.211 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.8.211 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.194 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 20 | — | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::ac43:82c2 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:8d3 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.211,172.67.130.194 ech=AEX+DQBBbAAgACAxx2XvV4JFUCVdgEmdGoqDip2taUNXK2q8lgpoC9YLSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:82c2,2606:4700:3037::6815:8d3 |
| TXT Record |
|---|
| v=spf1 include:spf.onlinemail.io -all |
| Policy | Record (saruptømrer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.onlinemail.io -all |
| www | 104.21.8.211 172.67.130.194 2606:4700:3030::6815:8d3 2606:4700:3031::ac43:82c2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network saruptømrer.dk: 104.21.8.211 172.67.130.194 2606:4700:3030::6815:8d3 2606:4700:3031::ac43:82c2 (AS13335) www.saruptømrer.dk: 104.21.8.211 172.67.130.194 2606:4700:3030::6815:8d3 2606:4700:3031::ac43:82c2 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u34239818.wl069.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u34239818.wl069.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: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2404685720 |
| Primary NS (MNAME) | gabriella.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 18:20:03 | 616ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 14:31:56 | 655ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-15 13:45:36 | 755ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-25 21:11:15 | 852ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-24 11:41:10 | 1664ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-18 01:46:27 | 2657ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-07-02 16:56:52 | 678ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-23 02:20:11 | 1049ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-06-22 02:53:39 | 551ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-17 11:41:34 shown | 1332ms | 2 NS 2 A 2 MX | 🔒 Secure |