agertz.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 5 April 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 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 (agertz.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.agertz.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025072201 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2005-04-05 |
| Expires | 2031-04-30 (1646d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 07:46:04 | 1389ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 20:57:02 | 1755ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-27 07:57:14 | 10017ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-17 04:22:13 | 10254ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 01:34:16 | 1571ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 17:47:40 | 4949ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 15:25:48 | 1617ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 15:20:10 | 2265ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 15:11:17 | 1687ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 10:18:23 | 1499ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 10:17:41 | 1604ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 18:07:13 | 3436ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 06:13:32 | 10318ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 05:05:08 | 1752ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 00:23:32 | 1794ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-10 11:07:35 | 10368ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-07 10:01:40 | 9351ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-05 23:56:03 | 1843ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-04 04:28:25 | 3339ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 09:04:53 | 1491ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 08:24:11 | 1259ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 07:54:47 | 10279ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 06:52:24 | 1582ms | 4 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-25 10:34:04 shown | 582ms | 3 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 23:55:19 | 914ms | 0 NS 0 A 0 MX | ❓ Unknown |