g13.dk
Last scanned: 2026-07-21 01:00:10  ·  2279ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   45ms
🌍 A Records2 records   50ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.9.160 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.160.71 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   55ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔶 Autoconfigmaildiscover.simply.com → 94.231.108.222
🔷 AAAA Records (IPv6)2 records   41ms
🔐 HTTPS Records1 records   51ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.9.160,172.67.160.71 ech=AEX+DQBBwwAgACAWFYl/3slsKUCp2ogwKf7noM3+U5CmBHt81A8Up8baDQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:a047,2606:4700:3033::6815:9a0
📝 TXT Records1 records   226ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (g13.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.g13.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
🔗 TLSA / DANE2 records   94ms
Service / OwnerTypeCert 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…
🔐 DNSSEC135ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2410062489
Primary NS (MNAME)lindsey.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
45ms
A
50ms
MX
55ms
AAAA
41ms
TXT
226ms
CAA
48ms
HTTPS
51ms
TLSA
94ms
SOA
0ms
MTA-STS
65ms
DNSSEC
135ms
SRV
116ms
Total
2279ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-21 01:00:10 2279ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-21 12:01:48 959ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-20 22:14:05 1127ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 10:31:52 960ms 2 NS 2 A 1 MX 🔓 Insecure View
2026-06-17 10:31:39 1067ms 2 NS 2 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone