simon-jensen.dk
Last scanned: 2026-06-17 11:44:58  ·  1040ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   59ms
NameserverIP addressesPTRASN / ISP
ns1.digitalocean.com 172.64.52.210
2606:4700:52::ac40:34d2		 ns1.digitalocean.com
ns1.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns2.digitalocean.com 172.64.53.21
2606:4700:5a::ac40:3515		 ns2.digitalocean.com
ns2.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
ns3.digitalocean.com 172.64.49.209
2606:4700:52::ac40:31d1		 ns3.digitalocean.com
ns3.digitalocean.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records
🌍
No A records found
📧 MX Records2 records   60ms
PriorityTTLMail ServerIP addressesPTRASN
10 — mx1.improvmx.com 13.37.195.136
15.236.236.160
2a05:d012:412:e201:88aa:e7b9:7a43:12d7
2a05:d012:412:e202:f36:2c1f:1a49:d38a
2a05:d012:412:e203:373a:f51a:4a85:1d25
35.181.18.45		 ec2-13-37-195-136.eu-west-3.compute.amazonaws.com
ec2-15-236-236-160.eu-west-3.compute.amazonaws.com
—
—
—
ec2-35-181-18-45.eu-west-3.compute.amazonaws.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
20 — mx1.improvmx.com 13.37.195.136
15.236.236.160
2a05:d012:412:e201:88aa:e7b9:7a43:12d7
2a05:d012:412:e202:f36:2c1f:1a49:d38a
2a05:d012:412:e203:373a:f51a:4a85:1d25
35.181.18.45		 ec2-13-37-195-136.eu-west-3.compute.amazonaws.com
ec2-15-236-236-160.eu-west-3.compute.amazonaws.com
—
—
—
ec2-35-181-18-45.eu-west-3.compute.amazonaws.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   514ms
TXT Record
v=spf1 include:spf.improvmx.com ~all
✉️ SPF
PolicyRecord (simon-jensen.dk)
~all (soft fail) v=spf1 include:spf.improvmx.com ~all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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 / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC136ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA55ms
FieldValue
Serial0
Primary NS (MNAME)ns1.digitalocean.com
Responsible (RNAME)hostmaster@simon-jensen.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
59ms
A
57ms
MX
60ms
AAAA
60ms
TXT
514ms
CAA
56ms
HTTPS
56ms
TLSA
92ms
SOA
55ms
MTA-STS
69ms
DNSSEC
136ms
SRV
0ms
Total
1040ms
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