hrskole.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 14 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.193 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx10.skolekom.dk, mx20.skolekom.dk and 2 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 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.193 | 3600s | linux303.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx10.skolekom.dk | — | — | — |
| 20 | 3600s | mx20.skolekom.dk | — | — | — |
| 30 | 3600s | mx30.skolekom.dk | — | — | — |
| 40 | 3600s | mx40.skolekom.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.156.193 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com ~all |
| Policy | Record (hrskole.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.simply.com ~all |
| Policy | Record (_dmarc.hrskole.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 104.21.24.190 172.67.220.27 2606:4700:3032::ac43:dc1b 2606:4700:3036::6815:18be (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.hrskole.dk | rFvCziohgp3iyn1YbflaIHh3iSLCty9L1Fi1GnGewQU |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026040700 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2008-05-14 |
| Expires | 2027-05-31 (222d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 07:58:12 | 947ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-28 19:55:17 | 1279ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-30 20:05:14 | 1406ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-29 10:01:11 | 1509ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-14 21:53:06 | 3488ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-03 09:11:20 | 1602ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-27 04:44:08 | 1593ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 03:58:35 | 2358ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 00:21:03 | 803ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 09:13:42 shown | 455ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 15:03:39 | 272ms | 0 NS 0 A 0 MX | ❓ Unknown |