stenhus-gym.dk is a .dk domain served by 4 nameservers (ns1.nhl-data.dk, ns2.nhl-data.dk, ns3.nhl-data.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.247 is hosted by Atea A/S (AS21060) in Denmark. 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 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 |
|---|---|---|---|---|---|---|---|
| 178.20.217.247 | 3600s | vps3.simpledigital.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 8ns265so51f3flb7thvrjglgio |
| 90muiohup3kvf9a49af4203gik |
| apple-domain-verification=PojUZB0xwT4M96aJ |
| PojUZB0xwT4M96aJ |
| RAaFRMK |
| Stenhus Gymnasium |
| uvmid=315014 |
| v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com ip4:62.116.201.16/28 ip4:217.116.221.157 ip4:87.116.7.13 include:dedicated.mysmtp.com ip4:178.20.217.247 include:spf.ubivox.com -all |
| Policy | Record (stenhus-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com ip4:62.116.201.16/28 ip4:217.116.221.157 ip4:87.116.7.13 include:dedicated.mysmtp.com ip4:178.20.217.247 include:spf.ubivox.com -all |
| Policy | Record (_dmarc.stenhus-gym.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:663b6ded460e1@dmarc-dk.centerasecurity.com; ruf=mailto:abuse@stenhus-gym.dk; fo=0; pct=100; ri=86400 |
| www | Address record (no CNAME) |
| 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: 7/10 · 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 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 2026092309 |
| Primary NS (MNAME) | ns1.nhl-data.dk |
| Responsible (RNAME) | hostmaster@nhl-data.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 16:41:27 shown | 871ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-05 05:26:19 | 1393ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 03:55:11 | 1085ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-25 20:12:18 | 872ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-28 11:03:06 | 2368ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 03:03:09 | 4521ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 23:56:52 | 928ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 15:10:23 | 2130ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 15:05:41 | 875ms | 4 NS 1 A 3 MX | 🔓 Insecure |