bylumen.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.29.159.180 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dotserv.com | — | — | — |
| ns1.dotserv.net | — | — | — |
| ns2.dotserv.com | — | — | — |
| ns2.dotserv.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.29.159.180 | — | ec2-52-29-159-180.eu-central-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 52.24.0.0/13 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (bylumen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.bylumen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc-reports@bylumen.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 52.29.159.180 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u24209048.wl049.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u24209048.wl049.sendgrid.net | 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2020070201 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv@com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 22:16:26 | 821ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-26 22:46:34 | 2939ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-28 02:20:15 | 2170ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-27 12:15:29 | 1022ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-27 09:05:02 | 2966ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-26 00:02:18 | 2556ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-23 02:03:20 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 17:29:37 | 704ms | 4 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 18:25:04 shown | 822ms | 4 NS 1 A 5 MX | 🔓 Insecure |