kristofferdorph.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 March 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.16.11.156 is hosted by Fly.io, Inc. (AS40509) in United States. Mail is handled by dorphern.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 37.16.11.156 | 3600s | ip-37-16-11-156.customer.flyio.net | AS40509 | Fly.io, Inc. | 37.16.0.0/19 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | dorphern.dk | 94.231.103.100 | dnsforward.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a09:8280:1::43a3 | 3600s | ipv6.customer.flyio.net | AS40509 | Fly.io, Inc. | 2a09:8280:1:0:0:0:0:0/48 | 🇺🇸 United States | — |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.kristofferdorph.dk | kristofferdorph.dk.p66y6.flydns.net |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2022060601 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2012-03-23 |
| Expires | 2027-03-31 (160d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 19:33:48 | 1688ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 08:42:52 | 673ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 19:02:38 | 930ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 16:58:42 | 587ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 05:09:58 | 1067ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 19:02:51 | 12861ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 15:46:19 shown | 2096ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:10:37 | 1480ms | 3 NS 1 A 1 MX | 🔒 Secure |