hogrefe.dk is a .dk domain served by 4 nameservers (a.ns14.net, b.ns14.net, c.ns14.net and 1 more). It was registered on 27 May 2004 (WHOIS) and 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 of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 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 → 40.104.116.40 |
| 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 ~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 ~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 | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'hogrefe.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025101301 |
| Primary NS (MNAME) | a.ns14.net |
| Responsible (RNAME) | hostmaster@goetel.net |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2004-05-27 |
| Expires | 2027-05-31 (226d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 20:22:46 | 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 shown | 1287ms | 4 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-17 14:38:39 | 3394ms | 4 NS 1 A 1 MX | 🔓 Insecure |