ytem.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 29 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.ytem.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.ytem.dk | 87.62.96.165 | 0x573e60a5.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.ytem.dk → 87.62.96.165 |
| 🔶 Autoconfig | mail.ytem.dk → 87.62.96.165 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 2 | 443 | mail.ytem.dk |
| TXT Record |
|---|
| v=spf1 include:spf.smtp2go.com -all |
| Value: v=spf1 include:spf.smtp2go.com -all |
| Policy | Record (ytem.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.smtp2go.com -all |
| Policy | Record (_dmarc.ytem.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:postmaster@ytem.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves ytem.dk: no address www.ytem.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.ytem.dk | DANE-EE · SPKI · SHA-256 | CB226786DE3A3806C0B11CEDD732E458… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026041801 |
| 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 | 2020-05-29 |
| Expires | 2027-05-31 (225d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 22:13:38 | 490ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-29 02:12:54 | 638ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-19 02:22:19 | 582ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-08 22:41:23 | 708ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-06 12:28:57 | 1077ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-28 04:31:35 | 1155ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-18 23:36:17 | 2781ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-05 22:13:13 | 5221ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-28 13:46:21 | 648ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 20:25:20 | 501ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 04:32:42 | 862ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:47:34 shown | 829ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 20:26:05 | 586ms | 4 NS 0 A 1 MX | 🔒 Secure |