gf3.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 21 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.184.203.202 is hosted by nef Fonden (AS47304) in Denmark. Mail is handled by mx.simply.com. 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 |
|---|---|---|---|---|---|---|---|
| 93.184.203.202 | 3600s | 1572391883.dhcp.nefnet.dk | AS47304 | nef Fonden | 93.184.192.0/20 | 🇩🇰 Denmark | Odense |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.184.203.202 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (gf3.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.gf3.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www CNAME | gf3.dk (all on gf3.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| 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 |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2021-09-21 |
| Expires | 2027-09-20 (338d) |
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 |
|---|---|
| barre.dk | nordicway ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 14:39:00 | 2484ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 06:18:49 | 2770ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 23:50:01 shown | 838ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 23:17:27 | 756ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:30:48 | 795ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:29:38 | 844ms | 4 NS 1 A 1 MX | 🔒 Secure |