hfk-haderslev.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 22 April 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.184.137.26 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 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 |
|---|---|---|---|---|---|---|---|
| 89.184.137.26 | 3600s | 89-184-137-26.norlyscustomer.net | AS39642 | Sinal A/S | 89.184.128.0/19 | 🇩🇰 Denmark | Haderslev |
| 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 ip4:78.157.102.124 -all |
| Policy | Record (hfk-haderslev.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.dcgr.dk ip4:78.157.102.124 -all |
| Policy | Record (_dmarc.hfk-haderslev.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-report@dcgr.dk; ruf=mailto:dmarc-report@dcgr.dk; fo=1; sp=reject |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Different networks hfk-haderslev.dk: 89.184.137.26 (AS39642) (all like this)www.hfk-haderslev.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| 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 | 2026100601 |
| Primary NS (MNAME) | ns1.247-365.dk |
| Responsible (RNAME) | hostmaster@hfk-haderslev.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-04-22 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 21:53:30 shown | 2688ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-23 18:19:45 | 524ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 23:31:59 | 653ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 14:46:29 | 754ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 20:49:26 | 892ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-23 09:00:35 | 2826ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 22:30:33 | 1037ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:10:37 | 2244ms | 4 NS 1 A 2 MX | 🔓 Insecure |