therkelmj.dk is a .dk domain served by 2 nameservers (hera.ns.cloudflare.com, julio.ns.cloudflare.com). It was registered on 12 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.76.148.190 is hosted by TDC Holding A/S (AS3292) in Denmark. 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 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 |
|---|---|---|---|---|---|---|---|
| 128.76.148.190 | 300s | 128-76-148-190-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 128.76.128.0/17 | 🇩🇰 Denmark | Fredericia |
| TXT Record |
|---|
| google-site-verification=WE9FPweHnly1eDOqxnqBxVkX-Lv_QXFKXw7cX-eZ4FE |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (therkelmj.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| www | 104.21.7.143 172.67.187.152 2606:4700:3033::ac43:bb98 2606:4700:3035::6815:78f (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks therkelmj.dk: 128.76.148.190 (AS3292) (all like this)www.therkelmj.dk: 104.21.7.143 172.67.187.152 2606:4700:3033::ac43:bb98 2606:4700:3035::6815:78f (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | 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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415428384 |
| Primary NS (MNAME) | hera.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-06-12 |
| Expires | 2027-06-30 (247d) |
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 |
|---|---|---|---|
| 2026-10-24 01:26:46 | 639ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-11 15:52:54 | 1288ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-04 03:08:00 | 666ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-30 14:12:53 shown | 796ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-30 10:12:24 | 628ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-21 18:46:45 | 790ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-14 21:53:19 | 4375ms | 2 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-22 09:03:03 | 1540ms | 2 NS 1 A 5 MX | ❓ Unknown |
| 2026-06-18 04:56:10 | 2981ms | 2 NS 1 A 5 MX | 🔓 Insecure |