gentofteung.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.55 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.55 | 3600s | vm1251.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | gentofteung.dk → 185.21.40.55 |
| 🔶 Autoconfig | gentofteung.dk → 185.21.40.55 |
| TXT Record |
|---|
| v=spf1 include:spf.mailjet.com ?all |
| Policy | Record (gentofteung.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.mailjet.com ?all |
| Policy | Record (_dmarc.gentofteung.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:hej@gentofteung.dk; ruf=mailto:hej@gentofteung.dk; ri=86400 |
| www CNAME | gentofteung.dk (all on gentofteung.dk) → 185.21.40.55 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.gentofteung.dk | gentofteung.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025062603 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:14:46 shown | 668ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 00:16:13 | 492ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 07:44:45 | 393ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 02:27:59 | 2403ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 02:29:54 | 526ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 21:19:59 | 597ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-06 23:07:33 | 16879ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 10:35:39 | 594ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 10:28:45 | 510ms | 2 NS 1 A 0 MX | 🔒 Secure |