103a.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 2 September 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.113 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by 103a.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.113 | 3600s | server13.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | 103a.dk | 178.20.216.113 2a01:7cc0:101:ffff::1:11 |
server13.chosting.dk — |
AS21060 Atea A/S AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.20.216.113 |
| 🔶 Autoconfig | 178.20.216.113 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:11 | 14400s | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 ip4:178.20.216.113 include:spf.chosting.dk ip4:178.20.216.114 ?all |
| Policy | Record (103a.dk) |
|---|---|
| ?all (neutral) | v=spf1 ip4:178.20.216.113 include:spf.chosting.dk ip4:178.20.216.114 ?all |
| Policy | Record (_dmarc.103a.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | 103a.dk (all on 103a.dk) |
| www vs bare domain | Same network 103a.dk: 178.20.216.113 2a01:7cc0:101:ffff::1:11 (AS21060) www.103a.dk: 178.20.216.113 2a01:7cc0:101:ffff::1:11 (AS21060) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.103a.dk | u_MCg658w_y2wWuA1m0JMqWCtd1qsj02WaO7lvLtQW8 |
| 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 | 2026052600 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-09-02 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-11 17:02:15 | 1443ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 14:52:48 | 2630ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-13 22:58:32 | 1393ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 10:52:00 shown | 898ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 00:20:17 | 881ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 18:00:22 | 2987ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 20:24:43 | 1200ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:55:45 | 1076ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:33:53 | 1081ms | 3 NS 1 A 1 MX | 🔓 Insecure |