107b.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.250.103.199 is hosted by Host Europe GmbH (AS8972) in France. Mail is handled by sejler.nu. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.250.103.199 | 600s | sejler.nu | AS8972 | Host Europe GmbH | 91.250.96.0/21 | 🇫🇷 France | Strasbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | sejler.nu | 2a01:488:66:1000:5bfa:67c7:0:1 91.250.103.199 |
sejler.nu sejler.nu |
AS20773 Host Europe GmbH AS8972 Host Europe GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.250.103.199 |
| 🔶 Autoconfig | 91.250.103.199 |
| TXT Record |
|---|
| v=spf1 a mx ip4:91.250.103.199 ptr:sejler.nu -all |
| Policy | Record (107b.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:91.250.103.199 ptr:sejler.nu -all |
| www | 135.181.56.33 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 02:03:59 | 947ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 01:08:58 | 2355ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 23:44:15 | 644ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 11:30:51 | 2630ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 20:57:38 | 1060ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 01:11:01 shown | 9157ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 17:59:45 | 648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 19:21:19 | 832ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:33:43 | 882ms | 2 NS 1 A 1 MX | 🔒 Secure |