mentorbarn.dk is a .dk domain served by 2 nameservers (aisha.ns.cloudflare.com, ray.ns.cloudflare.com). It was registered on 11 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.200 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.34.200 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.164.122 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 172.67.164.122 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:22c8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:a47a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.34.200,172.67.164.122 ech=AEX+DQBBpwAgACAytPH2mEcSKDwfLcyxmX3bytx0Nfa2n8mQsRbgu4AsIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:22c8,2606:4700:3037::ac43:a47a |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=SBsCigCSoaH3KPr8ImMWzDa2QVFicCxb9UayNOIDQeo |
| google-site-verification=Uuje1V8_fdP7_ZepRaSeEURgtX--b76sO4IeCiBhVdc |
| v=spf1 a mx include:_spf.centerasecurity.dk include:_spf.elasticemail.com -all |
| Policy | Record (mentorbarn.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.centerasecurity.dk include:_spf.elasticemail.com -all |
| Policy | Record (_dmarc.mentorbarn.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:661912f74d064@dmarc-dk.centerasecurity.com; |
| www | 104.21.34.200 172.67.164.122 2606:4700:3035::6815:22c8 2606:4700:3037::ac43:a47a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mentorbarn.dk: 104.21.34.200 172.67.164.122 2606:4700:3035::6815:22c8 2606:4700:3037::ac43:a47a (AS13335) www.mentorbarn.dk: 104.21.34.200 172.67.164.122 2606:4700:3035::6815:22c8 2606:4700:3037::ac43:a47a (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | 2416292726 |
| Primary NS (MNAME) | aisha.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-10-11 |
| Expires | 2026-10-31 (9d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 22:14:39 shown | 1111ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 22:08:01 | 1044ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-01 05:03:51 | 1721ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-06 19:11:21 | 1750ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-03 12:37:46 | 1505ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-20 10:29:41 | 11893ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-19 21:55:10 | 1065ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 12:11:28 | 1075ms | 2 NS 2 A 3 MX | 🔓 Insecure |