mainframesupport.dk is a .dk domain served by 2 nameservers (ns1.ge4.dk, ns2.ge4.dk). It was registered on 11 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.243.116.214 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mx1.ge4.dk, mx2.ge4.dk. The zone is not DNSSEC-signed, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.ge4.dk | 80.243.116.211 | — | AS31027 GlobalConnect A/S |
| ns2.ge4.dk | 80.243.116.211 | — | AS31027 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.243.116.214 | 600s | mail.ge4.dk | AS31027 | GlobalConnect A/S | 80.243.112.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.ge4.dk | 80.243.116.214 | mail.ge4.dk | AS31027 GlobalConnect A/S |
| 20 | 600s | mx2.ge4.dk | 87.48.148.13 | — | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.ge4.dk → 80.243.116.214 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.ge4.dk |
| TXT Record |
|---|
| v=spf1 ip4:80.243.116.210/28 -all |
| Policy | Record (mainframesupport.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.243.116.210/28 -all |
| Policy | Record (_dmarc.mainframesupport.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:utaq5se7@ag.dmarcian.com |
| www | 80.243.116.214 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2026082614 |
| Primary NS (MNAME) | ns1.ge4.dk |
| Responsible (RNAME) | support@ge4.dk |
| Refresh | 7200s |
| Retry | 60s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-11-11 |
| Expires | 2026-12-31 (75d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| cxu.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 01:55:49 shown | 17080ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-09 13:54:17 | 8922ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 11:16:47 | 2469ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-03 19:01:02 | 4879ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-06 03:11:41 | 17477ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 15:26:16 | 4738ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 14:27:30 | 9286ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 06:42:41 | 3200ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 05:12:30 | 1245ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 04:34:37 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 05:21:18 | 1451ms | 2 NS 1 A 3 MX | 🔓 Insecure |