zweigrosse.dk is a .dk domain served by 3 nameservers (ns05.sac-it.dk, ns06.sac-it.dk, ns06us.sac-it.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.235.243.87 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by smtp.google.com. 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 |
|---|---|---|---|
| ns05.sac-it.dk | 85.235.255.134 | — | AS3308 Norlys Telco A/S |
| ns06.sac-it.dk | 128.76.60.134 | — | AS3292 TDC Holding A/S |
| ns06us.sac-it.dk | 72.29.91.87 | 72-29-91-87.static.hostdime.com | AS33182 HostDime.com, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 85.235.243.87 | 3600s | 87.0-127.243.235.85.in-addr.arpa | AS3308 | Norlys Telco A/S | 85.235.224.0/19 | 🇩🇰 Denmark | Hørsholm |
| TXT Record |
|---|
| facebook-domain-verification=fpori2e0j9wpax8er2wih8e9uf21h0 |
| google-site-verification=h_nnLa-6EZpmH8F2bMg5NPbqbMETF2T8zSEUMCk9_4s |
| google-site-verification=tovlKS_I0Gn6ruNcAzd0jqLGvK85_LZ4BLtBD6htns0 |
| MS=ms39989019 |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (zweigrosse.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.zweigrosse.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc.reports@rekomgroup.com; pct=100; fo=1 |
| www | 104.21.39.198 172.67.171.87 2606:4700:3030::ac43:ab57 2606:4700:3036::6815:27c6 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network zweigrosse.dk: 104.21.39.198 172.67.171.87 2606:4700:3030::ac43:ab57 2606:4700:3036::6815:27c6 (AS13335) www.zweigrosse.dk: 104.21.39.198 172.67.171.87 2606:4700:3030::ac43:ab57 2606:4700:3036::6815:27c6 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u18802451.wl202.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u18802451.wl202.sendgrid.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: 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 | 2026040202 |
| Primary NS (MNAME) | ns05.sac-it.dk |
| Responsible (RNAME) | hostmaster@zweigrosse.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 21:10:01 | 1898ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:05:15 | 544ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:35:54 | 894ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 04:39:13 | 1205ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-22 22:42:52 | 1846ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 05:05:38 shown | 1491ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 16:39:14 | 2181ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 02:38:29 | 4260ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 10:08:45 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 01:33:12 | 2813ms | 3 NS 1 A 1 MX | 🔓 Insecure |