espresso-systems.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.35 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by espressosystems-dk02b.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 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 |
|---|---|---|---|---|---|---|---|
| 94.231.109.35 | 100s | web8.curanet.dk | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| apple-domain-verification=lCpUZcfq52pqB5rK |
| MS=ms33781198 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (espresso-systems.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.espresso-systems.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email; |
| www | 94.231.109.35 (AS48854) (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 |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u8482051.wl052.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u8482051.wl052.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-espressosystems-dk02b._domainkey.espressosystems.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-espressosystems-dk02b._domainkey.espressosystems.onmicrosoft.com | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 08:05:05 shown | 853ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 04:59:30 | 1144ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 21:52:13 | 1691ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 22:36:48 | 1165ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 08:24:44 | 459ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 08:24:03 | 752ms | 2 NS 1 A 1 MX | 🔒 Secure |