rsvp.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | — | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| www | 157.250.160.28 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025042300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 09:56:07 | 442ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 02:08:57 | 1119ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 01:59:49 | 1632ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 01:28:03 | 8702ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-29 00:39:06 | 766ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 18:44:00 | 714ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 18:00:08 | 881ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 17:34:45 | 2614ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 16:44:15 | 732ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 16:13:35 | 751ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-22 15:24:20 | 694ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-21 03:58:28 | 739ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-20 00:33:00 | 722ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-18 14:49:28 | 14049ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-17 13:14:23 | 769ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-16 01:35:44 | 686ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-14 07:54:51 | 799ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-11 17:58:49 | 9748ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-10 12:52:20 | 724ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-08 15:40:58 | 9038ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-06 20:45:34 | 1931ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-05 19:54:21 | 40585ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-04 18:30:10 | 688ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-02 21:04:40 | 353ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 18:01:17 shown | 8208ms | 4 NS 1 A 1 MX | 🔒 Secure |