tvillingenergi.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.60.5 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 75.2.60.5 | 3600s | acd89244c803f7181.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 75.2.0.0/17 | 🇺🇸 United States | — |
| TXT Record |
|---|
| google-site-verification=Hu-wiC5DQ1AzlNzbAjNCWmmH-kkHDB0IseOQf-6crfU |
| www CNAME | tvillingenergi.netlify.app (all on netlify.app) |
| www vs bare domain | Same network tvillingenergi.dk: 75.2.60.5 (AS16509) www.tvillingenergi.dk: 35.157.26.135 63.176.8.218 2a05:d014:58f:6200::258 2a05:d014:58f:6200::259 (AS16509) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| 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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092006 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2025-02-02 |
| Expires | 2027-02-01 (97d) |
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).
| Domain | Registrar |
|---|---|
| xtron.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 07:58:25 | 1041ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-25 00:25:24 | 3239ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-23 06:36:36 | 1834ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 21:27:27 | 1792ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:51:09 shown | 632ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 17:50:48 | 631ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 04:53:27 | 1157ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 02:32:39 | 520ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 17:40:22 | 567ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 03:38:49 | 3451ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 19:26:41 | 2508ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-20 23:46:12 | 867ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 09:03:17 | 943ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 12:15:00 | 976ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 02:21:05 | 2001ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-21 10:00:57 | 939ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 16:25:09 | 994ms | 2 NS 1 A 4 MX | 🔒 Secure |