dfd.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.116.34.144 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 87.116.34.144 | 900s | — | AS31027 | GlobalConnect A/S | 87.116.0.0/18 | 🇩🇰 Denmark | Munkebo |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.116.34.159 |
| TXT Record |
|---|
| _globalsign-domain-verification=ikN0KgZ3RbzuNk7dQsde6D4WTcJKgsFtLJVfIz2Hkr |
| _globalsign-domain-verification=K3d4mQNmd1QgjxwMYM70G-XfWU8DMhPigOoXqlN_bt |
| _globalsign-domain-verification=KDC-doL2Znq4Puxdg9YKYa_tpReRz3ZT9XFXinLwBn |
| _globalsign-domain-verification=msagK3Bpyt0RTmjQ4ArOGoXHxGV1uFHXlIMYyBWHc0 |
| _globalsign-domain-verification=MUEL-3stRspbIDJVnyKols9F_2L8K-hruGc4vs69Bq |
| _globalsign-domain-verification=pdftFCAQuUbt2398o-3XBXzNcQPrXKbGHdQhPO3tu_ |
| atlassian-domain-verification=EdprQq2boS/gLzcvSfveMoIzdFutlg1Ao24l88j1tlGnU1D6Xd1VCNJGSdWFXnQG |
| facebook-domain-verification=y3ct2h7f1lhcuf8mcbyzvbx4cp3t6y |
| google-site-verification=Iib-s9asXqGGXkP6l6oOJq22avlXjRyK9maFfqodmdw |
| MS=87B08863CADEE757153CDCC57CEE17185B052BC4 |
| MS=ms28065664 |
| v=spf1 a a:dominoas01.dfd.dk include:_spf.centerasecurity.dk include:spf.mailanyone.net include:spf.ubivox.com include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all |
| Policy | Record (dfd.dk) |
|---|---|
| -all (hard fail) | v=spf1 a a:dominoas01.dfd.dk include:_spf.centerasecurity.dk include:spf.mailanyone.net include:spf.ubivox.com include:spf-esec.heimdalsecurity.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dfd.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:5ffeb73599279@dmarc.centerasecurity.com; |
| www | 87.116.34.144 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 7/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091701 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:30:42 shown | 755ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 20:29:54 | 629ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 23:53:04 | 908ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-18 02:28:15 | 930ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-06 04:30:21 | 1065ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-06 22:58:03 | 1335ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-28 15:04:44 | 3002ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-26 02:27:52 | 1309ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 01:26:36 | 1100ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 02:35:17 | 878ms | 2 NS 1 A 3 MX | 🔒 Secure |