dfexpress.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was registered on 23 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.136.90.19 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by dfexpress-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 83.136.90.19 | 3600s | — | AS31027 | GlobalConnect A/S | 83.136.88.0/21 | 🇩🇰 Denmark | Hornslet |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 1 | 100 | 5061 | sipfed.online.lync.com |
| _xmpp-server._tcp | 10 | 10 | 5269 | dfexpe01.fragt.dk |
| TXT Record |
|---|
| _p4qrh6gmpintj5ked5i7yzends33y1w |
| cisco-ci-domain-verification=7961d66e92c1c882313891a984ae9575ac3a52d2080f2596f3bfcb585eb75f66 |
| dfdomainnames.azurewebsites.net |
| DomainVerification=MFX29WE3WZWBKL29TZ7VF8ODI50B7UE3ZESHPVZ1YFZBESEDDI4UK01YEVT9LXKR |
| MS=ms46464134 |
| v=spf1 mx a:mailgw.fragt.dk a:imailgw.fragt.dk ip4:83.136.90.8 ip4:77.66.63.25 include:spf.protection.outlook.com include:spf.eu.signature365.net -all |
| Policy | Record (dfexpress.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mailgw.fragt.dk a:imailgw.fragt.dk ip4:83.136.90.8 ip4:77.66.63.25 include:spf.protection.outlook.com include:spf.eu.signature365.net -all |
| Policy | Record (_dmarc.dfexpress.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-reports@dfexpress.dk; ruf=mailto:dmarc-reports@dfexpress.dk; pct=100; fo=1; |
| www | 83.136.90.19 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-dfexpress-dk._domainkey.fragtdk.onmicrosoft.com | 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: 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 | 1 |
| Primary NS (MNAME) | ns1-05.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-10-23 |
| Expires | 2027-10-31 (376d) |
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 06:42:58 shown | 1115ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 01:19:27 | 1384ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 02:36:10 | 636ms | 4 NS 1 A 1 MX | 🔓 Insecure |