gf3.dk

📜 Historical scan 2026-06-17 10:30:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

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.

🖥️ Nameservers#

4 records   54ms

🌍 A Records#

1 records   45ms

📧 MX Records#

1 records   44ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   396ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

PolicyRecord (gf3.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all

📨 DMARC#

PolicyRecord (_dmarc.gf3.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 18:43:22
www CNAMEgf3.dk (all on gf3.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   65ms
Service / OwnerTypeCert 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…

🔐 DNSSEC#

80ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

53ms
FieldValue
Serial2025042300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-17 04:24:24
FieldValue
Registrarnordicway ApS
Registered2021-09-21
Expires2027-09-20 (338d)

🔗 Same registrant#

1 domain

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).

DomainRegistrar
barre.dknordicway ApS
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
45ms
MX
44ms
AAAA
54ms
TXT
396ms
CAA
53ms
HTTPS
50ms
TLSA
65ms
SOA
53ms
MTA-STS
61ms
DNSSEC
80ms
SRV
0ms
Total
795ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 795ms 4 NS 1 A 1 MX 🔒 Secure
2026-06-17 10:29:38 844ms 4 NS 1 A 1 MX 🔒 Secure
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