liftoff.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 212.237.249.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 212.237.249.12 | 3600s | lb1.builder.nu | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.237.249.12 |
| 🔶 Autoconfig | 212.237.249.12 |
| TXT Record |
|---|
| protonmail-verification=e7b02d31ef24c5c0c926ba21bfbd2f963727deb9 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (liftoff.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.liftoff.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 212.237.249.12 (AS48854) (address records, no CNAME) |
| 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: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026042701 |
| 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 11:00:33 shown | 916ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 06:14:36 | 520ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 18:03:08 | 628ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 00:02:33 | 506ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 04:47:22 | 923ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 04:47:20 | 697ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 17:28:19 | 652ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 15:39:26 | 541ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 20:21:21 | 666ms | 2 NS 1 A 2 MX | 🔒 Secure |