zng.dk is a .dk domain served by 2 nameservers (conrad.ns.cloudflare.com, zara.ns.cloudflare.com). It was registered on 30 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.154 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 |
|---|---|---|---|---|---|---|---|
| 104.21.79.154 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.146.116 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:9274 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:4f9a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.79.154,172.67.146.116 ech=AEX+DQBByAAgACBOz//hvmpO/WnTv2oh9ouA6AXH3BuPjrTmLwFKWaJ6SQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:9274,2606:4700:3034::6815:4f9a |
| TXT Record |
|---|
| anthropic-domain-verification-ytknxn=tWmiaQ7svKBg2JgPLDK5XaAIq |
| google-site-verification=A7SpjEs9D5nEPZmPwLvyHtEwDfrXV0NIkxecFniZyZU |
| google-site-verification=jiV0uQYfGVEpFog5f4UycMkNnphPmIJ97FgT48m2Bgs |
| MS=ms90905734 |
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (zng.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.zng.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 104.21.79.154 172.67.146.116 2606:4700:3031::ac43:9274 2606:4700:3034::6815:4f9a (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u21935130.wl131.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u21935130.wl131.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 | 2415816090 |
| Primary NS (MNAME) | conrad.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 | 2025-01-30 |
| Expires | 2027-01-29 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 05:46:09 | 2224ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-06 17:31:28 | 514ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 15:42:51 | 1012ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 15:35:14 | 880ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 14:45:11 | 5312ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 14:40:23 shown | 9572ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 16:11:37 | 3085ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 00:11:27 | 936ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 06:56:23 | 875ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:36:59 | 970ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:39:02 | 2943ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 16:19:22 | 669ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 01:37:47 | 1044ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-11 19:06:23 | 1627ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-03 22:54:50 | 1147ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-17 18:39:14 | 3206ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-06 19:44:41 | 12804ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:55:45 | 3353ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-04 22:43:04 | 2480ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-23 14:22:01 | 4576ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:27:13 | 558ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:37:25 | 2268ms | 2 NS 2 A 1 MX | 🔓 Insecure |