tsj.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 6 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.228.103.13 is hosted by Altibox Danmark AS (AS214875) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 188.228.103.13 | 600s | 188.228.103.13.dynamic.altibox.net | AS214875 | Altibox Danmark AS | 188.228.102.0/23 | 🇩🇰 Denmark | Grindsted |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 188.228.103.13 |
| 🔶 Autoconfig | 188.228.103.13 |
| TXT Record |
|---|
| v=spf1 a mx a:mail.tsj.dk ip4:188.228.103.13 ip6:2a00:fd01:100:400::2aa ~all |
| Policy | Record (tsj.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx a:mail.tsj.dk ip4:188.228.103.13 ip6:2a00:fd01:100:400::2aa ~all |
| Policy | Record (_dmarc.tsj.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:tsj@tsj.dk; ruf=mailto:tsj@tsj.dk; rf=afrf; sp=reject; fo=0:1:d:s; adkim=s; aspf=s |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:tsj@tsj.dk |
| 0 | issue | sectigo.com |
| 0 | issuewild | sectigo.com |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · 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 | 2026051610 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-01-06 |
| Expires | 2036-01-31 (3389d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 18:03:50 shown | 980ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 17:53:08 | 2327ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-21 13:28:35 | 944ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 18:40:40 | 619ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 16:42:41 | 4935ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 12:07:36 | 4950ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 23:28:59 | 542ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 05:46:08 | 1686ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 04:54:53 | 2734ms | 3 NS 1 A 0 MX | 🔒 Secure |