holdnyt.dk is a .dk domain served by 2 nameservers (gabe.ns.cloudflare.com, gail.ns.cloudflare.com). It was registered on 17 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.147 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.27.147 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.142.240 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 172.67.142.240 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:1b93 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:8ef0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.147,172.67.142.240 ech=AEX+DQBBJgAgACB+2lbOHeX9EYMCcFBm+OdTah1N2LXT8EKHiL2AC6YzXQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:1b93,2606:4700:3034::ac43:8ef0 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=EQFi4gGYMw91ZZ9Vu88ZTDYgtcqB_FHRxsPpWdcSbFA |
| www | 104.21.27.147 172.67.142.240 2606:4700:3032::6815:1b93 2606:4700:3034::ac43:8ef0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| 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 | 2416627526 |
| Primary NS (MNAME) | gabe.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2012-02-17 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 03:35:08 shown | 451ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 03:25:45 | 420ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 12:41:33 | 687ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 17:13:48 | 2453ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 11:16:09 | 1013ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-31 15:12:36 | 8809ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-06 18:59:57 | 1007ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:06:44 | 729ms | 2 NS 2 A 1 MX | 🔓 Insecure |