hogrefe.dk is a .dk domain served by 4 nameservers (a.ns14.net, b.ns14.net, c.ns14.net and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.6.208.155 is hosted by 23M GmbH (AS47447) in Germany. Mail is handled by mx.hogrefe.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 194.6.208.155 | 3600s | lb-a-cc.c-1500.maxcluster.net | AS47447 | 23M GmbH | 194.6.208.0/22 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.hogrefe.dk | 91.223.204.6 | mx2.hogrefe.de | AS197639 Hogrefe Verlag GmbH & Co. KG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:f48:1008::208:155:10 | 86400s | lb-a-cc.c-1500.maxcluster.net | AS47447 | 23M GmbH | 2a00:f48:0:0:0:0:0:0/32 | 🇩🇪 Germany | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 20 | 100 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=BYIh-ADr2i4oUMYHccchRt3Tz6a5LLgmo4HKIApsOb |
| _globalsign-domain-verification=rbbrCJDbjDskHPg6dI7Qlwa1qfy72Z0FxtfJVkk-9Q |
| _globalsign-domain-verification=xLy2Ca8Kcv3uE0e3YQfXyGtgWsbQDkiBYpWcPj9GXb |
| google-site-verification=wdObn0pdf3-LYbfjPjoPO3pJMGhvBBoGm4Ctmk7j0TY |
| MS=ms49820854 |
| v=spf1 a mx include:_spf.anpdm.com include:spf.protection.outlook.com ip4:193.104.202.0/24 ip4:188.120.78.214 ip4:193.201.39.235 ip4:194.6.208.155 ip4:213.150.50.18 ip4:194.6.208.156 ip4:194.6.208.157 ip6:2a00:f48:1008::208:156:10 ip4:109.71.73.232 ip6:2a05:cc00::73:232:10 ip4:194.6.208.177 ip6:2a00:f48:1008::208:177:10 ~all |
| Policy | Record (hogrefe.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:_spf.anpdm.com include:spf.protection.outlook.com ip4:193.104.202.0/24 ip4:188.120.78.214 ip4:193.201.39.235 ip4:194.6.208.155 ip4:213.150.50.18 ip4:194.6.208.156 ip4:194.6.208.157 ip6:2a00:f48:1008::208:156:10 ip4:109.71.73.232 ip6:2a05:cc00::73:232:10 ip4:194.6.208.177 ip6:2a00:f48:1008::208:177:10 ~all |
| Policy | Record (_dmarc.hogrefe.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:c8t3egmm@ag.eu.dmarcadvisor.com,mailto:dmarc_agg@vali.email; ruf=mailto:c8t3egmm@fr.eu.dmarcadvisor.com |
| www | 194.6.208.155 (AS47447) (address records, no CNAME) |
| www vs bare domain | Same network hogrefe.dk: 194.6.208.155 2a00:f48:1008::208:155:10 (AS47447) www.hogrefe.dk: 194.6.208.155 (AS47447) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
No problems found| 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 | 2025101302 |
| Primary NS (MNAME) | a.ns14.net |
| Responsible (RNAME) | hostmaster@goetel.net |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 20:22:46 shown | 1151ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 14:15:57 | 3209ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 08:48:19 | 854ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 05:09:24 | 1287ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-17 14:38:39 | 3394ms | 4 NS 1 A 1 MX | 🔓 Insecure |