rung-gym.dk is a .dk domain served by 5 nameservers (ns-1.dcmediahosting.com, ns-2.dcmediahosting.com, ns-3.dcmediahosting.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rung-gym-dk.mx1.comendosystems.com, rung-gym-dk.mx2.comendosystems.net and 1 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | rung-gym-dk.mx1.comendosystems.com | 192.162.219.255 2a01:77c0:1619:4102:a81b:80d0:e56c:edc0 |
mx41.electric.net gw2-1535.security.comendo.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 3600s | rung-gym-dk.mx2.comendosystems.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| 30 | 3600s | gw3-sec.net.comendo.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:o._spf.comendo.com include:spf.protection.outlook.com include:*.sharepoint.com include:*.sharepointonline.com -all |
| Policy | Record (rung-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:o._spf.comendo.com include:spf.protection.outlook.com include:*.sharepoint.com include:*.sharepointonline.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rung-gym.dk: no address www.rung-gym.dk: no address |
| Wildcard | No |
DNS lookups: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2012043027 |
| Primary NS (MNAME) | ns-1.dcmediahosting.com |
| Responsible (RNAME) | anj@rung-gym.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:57:38 shown | 1090ms | 5 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-27 07:38:45 | 1055ms | 5 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-24 17:17:38 | 1048ms | 5 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-17 17:48:36 | 1252ms | 5 NS 0 A 3 MX | 🔓 Insecure |