gismo.dk is a .dk domain served by 4 nameservers (ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and 1 more). It was registered on 25 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.88.64.12 is hosted by Telenor A/S (AS9158) 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns-cloud-b1.googledomains.com | — | — | — |
| ns-cloud-b2.googledomains.com | — | — | — |
| ns-cloud-b3.googledomains.com | — | — | — |
| ns-cloud-b4.googledomains.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.88.64.12 | — | telenor.dk | AS9158 | Telenor A/S | 212.88.64.0/19 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (gismo.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.gismo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www CNAME | gismo.dk (all on gismo.dk) → 212.88.64.12 (AS9158) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-cloud-b1.googledomains.com |
| Responsible (RNAME) | hostmaster@telenor.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-03-25 |
| Expires | 2027-03-31 (158d) |
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 |
|---|---|---|---|
| 2026-09-30 15:21:24 | 716ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 23:47:22 | 9785ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 04:34:21 | 851ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:17:50 shown | 1235ms | 4 NS 1 A 0 MX | 🔒 Secure |