theisnygaard.dk is a .dk domain served by 2 nameservers (brian.ns.cloudflare.com, deb.ns.cloudflare.com). It was registered on 21 April 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.44.60 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tuesday.mxrouting.net, tuesday-relay.mxrouting.net. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.44.60 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.196.84 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | tuesday.mxrouting.net | 45.45.170.23 | tuesday.mxrouting.net | AS398810 MXroute LLC |
| 20 | 300s | tuesday-relay.mxrouting.net | 45.45.170.23 | tuesday.mxrouting.net | AS398810 MXroute LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:2c3c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:c454 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.44.60,172.67.196.84 ech=AEX+DQBBgQAgACCRKpEw7Dan0Hdrwr7Y6aWdIRl8VviRfpMXwj+ia1lpJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2c3c,2606:4700:3033::ac43:c454 |
| TXT Record |
|---|
| v=spf1 include:mxroute.com -all |
| Policy | Record (theisnygaard.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mxroute.com -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve theisnygaard.dk: 104.21.44.60 172.67.196.84 2606:4700:3030::6815:2c3c 2606:4700:3033::ac43:c454 (AS13335) (all like this)www.theisnygaard.dk: no address |
| Wildcard | No |
DNS lookups: 4/10 · policy: -all
No problems found| 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 | 2412889221 |
| Primary NS (MNAME) | brian.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2010-04-21 |
| Expires | 2027-04-30 (192d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 11:48:22 | 1008ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 11:29:27 shown | 833ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-27 02:43:54 | 821ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 13:18:35 | 1108ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-23 03:50:09 | 1296ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-22 03:28:10 | 1448ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 16:53:58 | 1389ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 14:13:36 | 854ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 07:43:44 | 1990ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:23:51 | 2105ms | 4 NS 1 A 1 MX | 🔒 Secure |