jlbs.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was registered on 15 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.30.252.153 is hosted by GitHub, Inc. (AS36459) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 192.30.252.153 | 3599s | lb-192-30-252-153-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| 192.30.252.154 | 3599s | lb-192-30-252-154-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com include:servers.mcsv.net ~all |
| Policy | Record (jlbs.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:servers.mcsv.net ~all |
| www CNAME | jlbs.dk (all on jlbs.dk) |
| www vs bare domain | Same network jlbs.dk: 192.30.252.153 192.30.252.154 (AS36459) www.jlbs.dk: 192.30.252.153 192.30.252.154 (AS36459) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| k1 | dkim.mcsv.net | 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: 2/10 · 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 | 0 |
| Primary NS (MNAME) | ns1.digitalocean.com |
| Responsible (RNAME) | hostmaster@jlbs.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2015-10-15 |
| Expires | 2028-10-31 (740d) |
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 |
|---|---|---|---|
| 2026-10-21 04:36:18 shown | 1761ms | 3 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-21 08:28:21 | 719ms | 3 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-20 02:00:45 | 1876ms | 3 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-17 19:25:47 | 5753ms | 3 NS 2 A 5 MX | 🔓 Insecure |