gerlow.dk is a .dk domain served by 2 nameservers (dolly.ns.cloudflare.com, plato.ns.cloudflare.com). It was registered on 5 August 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by gerlow-dk.mail.protection.outlook.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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.210.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms95911030 |
| v=spf1 ip4:85.204.133.42 include:spf.protection.outlook.com -all |
| Policy | Record (gerlow.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:85.204.133.42 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.gerlow.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:n5povdbr@ag.eu.dmarcian.com; ruf=mailto:n5povdbr@fr.eu.dmarcian.com; adkim=s; aspf=s; |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:n5povdbr@tls.eu.dmarcian.com |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves gerlow.dk: no address www.gerlow.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-gerlow-dk._domainkey.gerlow.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-gerlow-dk._domainkey.gerlow.onmicrosoft.com | 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| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2406431879 |
| Primary NS (MNAME) | dolly.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-08-05 |
| Expires | 2027-08-31 (307d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 11:46:16 | 598ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-08 08:18:43 | 1507ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-04 23:16:11 | 1157ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-21 01:36:23 | 766ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-06 23:46:46 | 1850ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-19 19:09:30 | 9648ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-26 02:07:24 | 1968ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 02:55:52 shown | 2074ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-21 13:09:16 | 1176ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:29:54 | 1005ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:29:09 | 1268ms | 2 NS 0 A 1 MX | 🔓 Insecure |