zweigrosse.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, marek.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.39.198 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.87 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:ab57 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:27c6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.39.198,172.67.171.87 ech=AEX+DQBBhQAgACDdEx0VMOnsKwGS66tswISx6j5kfkD2I0gWXS41j0idNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ab57,2606:4700:3036::6815:27c6 |
| 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.zweigrosse.dk | zweigrosse.dk.f3d4b240ffe5f1c3.dcv.cloudflare.com |
| 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 | 2416248615 |
| Primary NS (MNAME) | abby.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| 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 shown | 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 | 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 |