hfgrossmann.dk is a .dk domain served by 4 nameservers (ns1.247-365.dk, ns2.247-365.dk, ns3.247-365.dk and 1 more). It was registered on 2 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.157.102.120 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by gw1.dcgr.dk, gw2.dcgr.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 78.157.102.120 | 3600s | 78-157-102-120.norlyscustomer.net | AS39642 | Sinal A/S | 78.157.96.0/19 | 🇩🇰 Denmark | Svendborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | gw1.dcgr.dk | 89.184.137.15 | master.pcadmin.dk | AS39642 Sinal A/S |
| 20 | 3600s | gw2.dcgr.dk | 89.184.137.61 | gw2.pcadmin.dk | AS39642 Sinal A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 89.184.137.42 |
| 🔶 Autoconfig | 89.184.137.32 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.safeonmail.dk |
| _imap._tcp | 0 | 0 | 143 | mail.safeonmail.dk |
| _imaps._tcp | 0 | 0 | 993 | mail.safeonmail.dk |
| TXT Record |
|---|
| v=spf1 include:spf.protection.dcgr.dk -all |
| Policy | Record (hfgrossmann.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.dcgr.dk -all |
| Policy | Record (_dmarc.hfgrossmann.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-report@dcgr.dk; ruf=mailto:dmarc-report@dcgr.dk; fo=1; sp=reject |
| www | 78.157.102.120 (AS39642) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · 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 | 2026032610 |
| Primary NS (MNAME) | ns1.247-365.dk |
| Responsible (RNAME) | hostmaster@hfgrossmann.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-12-02 |
| Expires | 2026-12-31 (75d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:43:25 | 659ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-28 05:28:49 shown | 521ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 11:54:48 | 1402ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 18:10:07 | 587ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 11:14:33 | 761ms | 4 NS 1 A 2 MX | 🔓 Insecure |