udlejning.dk is a .dk domain served by 2 nameservers (hans.ns.cloudflare.com, lia.ns.cloudflare.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.132 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by udlejning-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.132 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.179.178 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:5884 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:b3b2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.132,172.67.179.178 ech=AEX+DQBBKwAgACDyqL1QnNu4VJf6iL2Ep0hR+31e0fYQsg6p+vZuYNyNYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5884,2606:4700:3036::ac43:b3b2 |
| TXT Record |
|---|
| v=spf1 a:apy3hcudkg.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all |
| Policy | Record (udlejning.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:apy3hcudkg.directoryup.com include:sendgrid.net include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.udlejning.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:d71be9580bbb47f59c7586f16c023f64@dmarc-reports.cloudflare.net |
| www | 104.21.88.132 172.67.179.178 2606:4700:3033::6815:5884 2606:4700:3036::ac43:b3b2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network udlejning.dk: 104.21.88.132 172.67.179.178 2606:4700:3033::6815:5884 2606:4700:3036::ac43:b3b2 (AS13335) www.udlejning.dk: 104.21.88.132 172.67.179.178 2606:4700:3033::6815:5884 2606:4700:3036::ac43:b3b2 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-udlejning-dk._domainkey.tdchosting1016295.r-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-udlejning-dk._domainkey.tdchosting1016295.r-v1.dkim.mail.microsoft | 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: 4/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415943641 |
| Primary NS (MNAME) | hans.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 | 1998-02-16 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 01:43:56 shown | 970ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 16:17:26 | 1304ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 16:10:21 | 1301ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 17:35:39 | 1349ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 12:30:53 | 10843ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-28 20:00:24 | 1593ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-12 01:03:32 | 1442ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 11:09:28 | 1388ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:40:56 | 1459ms | 2 NS 2 A 1 MX | 🔓 Insecure |