simonschwarz.dk is a .dk domain served by 2 nameservers (erin.ns.cloudflare.com, yichun.ns.cloudflare.com). It was registered on 11 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.98 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.2.98 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.129.15 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:810f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:262 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.2.98,172.67.129.15 ech=AEX+DQBBnwAgACBfHJsDcba2KA8D9qcM16hxr5hxGm2jfgTbQGK7+KvBMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:810f,2606:4700:3035::6815:262 |
| www | 104.21.2.98 172.67.129.15 2606:4700:3031::ac43:810f 2606:4700:3035::6815:262 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network simonschwarz.dk: 104.21.2.98 172.67.129.15 2606:4700:3031::ac43:810f 2606:4700:3035::6815:262 (AS13335) www.simonschwarz.dk: 104.21.2.98 172.67.129.15 2606:4700:3031::ac43:810f 2606:4700:3035::6815:262 (AS13335) |
| 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 |
|---|---|---|
| s1 | s1.domainkey.u41132922.wl173.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u41132922.wl173.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.
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2410588615 |
| Primary NS (MNAME) | erin.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 | 2022-07-11 |
| Expires | 2027-07-10 (265d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 06:09:03 | 3290ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-25 00:15:50 | 1667ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-23 23:14:56 | 1207ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-19 11:54:16 | 1068ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-27 13:38:56 | 1619ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-25 19:11:13 | 3165ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-21 01:00:29 | 1662ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-11 15:06:40 | 7963ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-07 06:31:11 | 9410ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-01 01:42:43 | 828ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-28 04:00:43 | 1660ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-27 03:02:25 shown | 1222ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-09 22:25:16 | 603ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:49:44 | 2786ms | 2 NS 1 A 0 MX | 🔒 Secure |