selejebolig.dk is a .dk domain served by 2 nameservers (melina.ns.cloudflare.com, neil.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.4.186 | — | — | AS13335 | — | — | — | — |
| 172.67.132.91 | — | — | AS13335 | — | — | — | — |
| 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:845b | — | — | AS13335 | — | — | — | — |
| 2606:4700:3034::6815:4ba | — | — | AS13335 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.186,172.67.132.91 ech=AEX+DQBBHQAgACDvr0foaUL+kfe8cQ/jzRqJm9WG78Sy1RChao5wzEe6ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:845b,2606:4700:3034::6815:4ba |
| TXT Record |
|---|
| google-site-verification=qwKfS9uic3QaBUy1s6_T0k4sv7x9_I24HnGLGXYjanM |
| www | 104.21.4.186 172.67.132.91 2606:4700:3035::ac43:845b 2606:4700:3036::6815:4ba (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network selejebolig.dk: 104.21.4.186 172.67.132.91 2606:4700:3035::ac43:845b 2606:4700:3036::6815:4ba (AS13335) www.selejebolig.dk: 104.21.4.186 172.67.132.91 2606:4700:3035::ac43:845b 2606:4700:3036::6815:4ba (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u19587364.wl115.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u19587364.wl115.sendgrid.net | RSA · ~1024 bit below 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.
| 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 | 2405223959 |
| Primary NS (MNAME) | melina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-27 03:49:28 | 2489ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 12:44:13 | 690ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-21 10:16:39 | 1464ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-25 10:59:57 | 613ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-24 09:33:14 | 1368ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-06-27 04:59:13 | 900ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-27 03:36:01 | 903ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-20 14:09:18 | 595ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 04:31:21 shown | 1832ms | 2 NS 2 A 2 MX | 🔓 Insecure |