only16.dk is a .dk domain served by 2 nameservers (ns1.ge4.dk, ns2.ge4.dk). It was registered on 16 July 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.243.116.212 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by relay.ge4.dk, relay1-backup.ge4.dk and 1 more. 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 | 87.48.148.14 | — | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.243.116.212 | 120s | — | AS31027 | GlobalConnect A/S | 80.243.112.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | relay.ge4.dk | 80.243.116.213 | relay.ge4.dk | AS31027 GlobalConnect A/S |
| 20 | 3600s | relay1-backup.ge4.dk | — | — | — |
| 30 | 3600s | tar.junkemailfilter.com | 184.105.182.213 184.105.182.214 184.105.182.215 184.105.182.223 184.105.182.224 184.105.182.225 |
— — — — — — |
AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC AS6939 Hurricane Electric LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 80.243.116.212 |
| TXT Record |
|---|
| v=spf1 ip4:80.243.116.210/28 -all |
| Policy | Record (only16.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.243.116.210/28 -all |
| Policy | Record (_dmarc.only16.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:utaq5se7@ag.dmarcian.com |
| www | 80.243.116.212 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 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 | 2024021307 |
| Primary NS (MNAME) | ns1.ge4.dk |
| Responsible (RNAME) | support\@ge4@dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-07-16 |
| Expires | 2027-09-30 (348d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 18:07:04 shown | 4821ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 18:02:56 | 5188ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 11:02:11 | 17001ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 18:39:12 | 6201ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-30 19:57:44 | 1205ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-29 13:21:54 | 998ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-28 01:01:37 | 1488ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 20:48:57 | 921ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 02:07:09 | 5124ms | 2 NS 1 A 3 MX | 🔓 Insecure |