hsfo.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 11 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by hsfo-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 193.163.97.43 | 300s | — | AS43167 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.214.40 |
| TXT Record |
|---|
| adobe-idp-site-verification=d86a62e97d5226ade44bd2b52f2e08fdee11c292465eee7cecdff0fca33d6260 |
| facebook-domain-verification=z0o6g2j19a27hexn9gv1b3x57gu024 |
| fastly-domain-delegation-oqf9hqct97gzv7wmedrj-00592219-2026-01-28 |
| google-site-verification=F5fNZZ55eI36cHoZZIuYFS7vpqx7W1_KVsjssS9MMJU |
| google-site-verification=ksFjA1V-atwpShbAJx2jbkwkWlwE11TpqjVfQ31qOz8 |
| google-site-verification=W6_hffSDaargnKYIJmXRV8wo1vMcDt5sGTg7eRvHA0g |
| MS=ms91917827 |
| v=spf1 ip4:80.63.11.74 ip4:193.163.96.23 include:spf.protection.outlook.com include:mailgun.org include:spf1.emarketeer.com include:spf.logicalware.com ip4:54.77.160.217/32 ip4:52.17.218.205/32 ip4:193.163.97.21 ip4:193.163.97.22 -all |
| Policy | Record (hsfo.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.63.11.74 ip4:193.163.96.23 include:spf.protection.outlook.com include:mailgun.org include:spf1.emarketeer.com include:spf.logicalware.com ip4:54.77.160.217/32 ip4:52.17.218.205/32 ip4:193.163.97.21 ip4:193.163.97.22 -all |
| Policy | Record (_dmarc.hsfo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:66f14a574745c@dmarc-dk.centerasecurity.com |
| www | 193.163.97.43 (AS43167) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| — | RSA · ~1024 bit below 2048 bit | |
| s1 | s1.domainkey.u14506499.wl250.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u14506499.wl250.sendgrid.net | RSA · ~1024 bit below 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: 9/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026021300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-11-11 |
| Expires | 2026-11-30 (39d) |
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).
Showing 100 of 592.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 06:16:52 | 500ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 09:31:48 | 842ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 05:34:49 | 696ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 19:34:22 | 559ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:16:05 | 494ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 10:13:52 | 612ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 10:21:25 | 1175ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 16:32:42 | 2333ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 11:41:17 | 1350ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 09:02:12 | 2044ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 02:11:13 shown | 1338ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 15:02:56 | 301ms | 0 NS 0 A 0 MX | ❓ Unknown |