ultimatelist.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 2 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 49.13.26.118 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.unjespersen.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 49.13.26.118 | 3600s | mail.tohjuler.dk | AS24940 | Hetzner Online GmbH | 49.12.0.0/15 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.unjespersen.dk | 2a0e:97c0:3e3:70::1 37.114.37.31 |
— mail.unjespersen.dk |
AS58087 Florian Kolb AS58087 Florian Kolb |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (ultimatelist.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.ultimatelist.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@ultimatelist.dk |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.unjespersen.dk | DANE-EE · SPKI · SHA-256 | 9A934016C757D1282FC5441F8335C5CD… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060900 |
| 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 | 2026-06-02 |
| Expires | 2027-06-01 (219d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 21:01:13 | 737ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 12:21:25 | 467ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 15:47:16 | 891ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 03:23:59 | 813ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 11:16:34 | 907ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 21:44:51 | 729ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 10:41:50 | 2494ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 02:59:43 shown | 1133ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:38:44 | 1224ms | 3 NS 1 A 1 MX | 🔒 Secure |