schultz.dk is a .dk domain served by 3 nameservers (ns1.schultzdns.dk, ns2.schultzdns.dk, ns3.schultzdns.dk). It was registered on 15 December 1995 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 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 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 |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | 300s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.outlook.com |
| _sipfederationtls._tcp | 0 | 0 | 5061 | sipfed.online.lync.com |
| _xmpp-server._tcp | 0 | 0 | 5269 | lync.schultz.dk |
| TXT Record |
|---|
| anthropic-domain-verification-bep8se=NYBPg9l7H62kj0qOGq7KaFcqs |
| apple-domain-verification=txa0tpYlVS7krQpz |
| brevo-code:3d8d50be5f3954ca171e2fdffbc927eb |
| cursor-domain-verification-rz9ym0=VNAtgJF3fs1yWsMvZfaxSBUOE |
| google-site-verification=izkiWMkgms4uxjPue1E79EIQtpxVYGIP3TyhHpjqF80 |
| openai-domain-verification=dv-93nTbVjgWWypL7NawwxWzJSR |
| openai-domain-verification=dv-uJZx6sLBVlPWIIGy53UObMB2 |
| v=spf1 include:_spf56390.spf-protect.dk -all |
| Policy | Record (schultz.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf56390.spf-protect.dk -all |
| Policy | Record (_dmarc.schultz.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:66eac7a0555fa@dmarc-dk.centerasecurity.com; |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Same network schultz.dk: 162.159.140.127 (AS13335) www.schultz.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u2134740.wl241.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u2134740.wl241.sendgrid.net | RSA · ~1024 bit below 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: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 673 |
| Primary NS (MNAME) | ns1.schultzdns.dk |
| Responsible (RNAME) | hostmaster@schultzdns.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1995-12-15 |
| Expires | 2026-12-31 (74d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 22:21:29 | 3059ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 19:15:46 | 804ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 22:24:07 | 1060ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-06 23:20:06 shown | 4134ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-10 21:46:35 | 1530ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 09:41:05 | 35558ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 09:19:23 | 3802ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 19:31:12 | 2005ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 01:33:34 | 797ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 22:01:41 | 4409ms | 3 NS 1 A 3 MX | 🔓 Insecure |