gustoherning.dk is a .dk domain served by 4 nameservers (ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and 1 more). It was registered on 18 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.151.30.200 is hosted by 20i Limited (AS48254) in United Kingdom. Mail is handled by mx.stackmail.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 185.151.30.200 | 3599s | 185-151-30-200.ptr4.stackcp.net | AS48254 | 20i Limited | 185.151.28.0/22 | 🇬🇧 United Kingdom | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.stackmail.com | 185.151.28.67 | mx.stackmail.com | AS48254 20i Limited |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.stackmail.com → 45.8.227.100 |
| 🔶 Autoconfig | 185.151.30.200 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a07:7800::200 | 3600s | — | AS48254 | 20i Limited | 2a07:7800:0:0:0:0:0:0/46 | 🇬🇧 United Kingdom | — |
| TXT Record |
|---|
| v=spf1 a mx include:spf.turbo-smtp.com include:mailgun.org ~all |
| Policy | Record (gustoherning.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.turbo-smtp.com include:mailgun.org ~all |
| Policy | Record (_dmarc.gustoherning.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:c8020f42@dmarc.mailgun.org,mailto:xtgem7uhs36@inbox.ondmarc.com; ruf=mailto:c8020f42@dmarc.mailgun.org,mailto:xtgem7uhs36@inbox.ondmarc.com; |
| www | 185.151.30.200 2a07:7800::200 (AS48254) (address records, no CNAME) |
| www vs bare domain | Same network gustoherning.dk: 185.151.30.200 2a07:7800::200 (AS48254) www.gustoherning.dk: 185.151.30.200 2a07:7800::200 (AS48254) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 8/10 · policy: ~all
| 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 | 1788248715 |
| Primary NS (MNAME) | ns1.stackdns.com |
| Responsible (RNAME) | hostmaster@stackdns.com |
| Refresh | 1800s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-10-18 |
| Expires | 2027-10-17 (365d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 13:27:25 | 1003ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 16:10:27 shown | 5606ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 03:08:47 | 1029ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-08 17:18:31 | 9962ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 13:11:27 | 9735ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 01:14:16 | 2220ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 08:22:14 | 894ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 18:05:26 | 3212ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 23:29:50 | 885ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 14:06:43 | 885ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 04:50:26 | 2014ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:44:04 | 779ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:42:13 | 975ms | 5 NS 1 A 1 MX | 🔒 Secure |