esus-it.dk is a .dk domain served by 2 nameservers (ns1.jchost04.pl, ns2.jchost04.pl). It was registered on 2 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.79.251.44 is hosted by Atman Sp. z o.o. (AS15694) in Poland. Mail is handled by mail.esus-it.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.jchost04.pl | 77.79.251.40 | s4.jchost04.pl | AS15694 Atman Sp. z o.o. |
| ns2.jchost04.pl | 77.79.202.102 | ns2.jchost04.pl | AS15694 Atman Sp. z o.o. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.79.251.44 | 3600s | jchost.jchost04.pl | AS15694 | Atman Sp. z o.o. | 77.79.251.0/24 | 🇵🇱 Poland | Warsaw |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.esus-it.dk | 77.79.251.44 | jchost.jchost04.pl | AS15694 Atman Sp. z o.o. |
| TXT Record |
|---|
| v=spf1 a mx ip4:77.79.251.40 include:spf.jchost.pl ~all |
| Policy | Record (esus-it.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:77.79.251.40 include:spf.jchost.pl ~all |
| Policy | Record (_dmarc.esus-it.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none; rua=mailto:spam-reports@esus-it.dk |
| www | 77.79.251.44 (AS15694) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · 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 | 2025082107 |
| Primary NS (MNAME) | ns1.jchost04.pl |
| Responsible (RNAME) | hostmaster@esus-it.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Ovh |
| Registered | 2021-04-02 |
| Expires | 2027-04-30 (194d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-07-02 00:57:38 shown | 8222ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 00:39:52 | 1559ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:26:15 | 760ms | 2 NS 1 A 1 MX | 🔓 Insecure |