sommerpost.dk
Last scanned: 2026-06-23 13:36:47  ·  792ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   85ms
NameserverIP addressesPTRASN / ISP
ns-1139.awsdns-14.org 205.251.196.115
2600:9000:5304:7300::1		 ns-1139.awsdns-14.org
ns-1139.awsdns-14.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1558.awsdns-02.co.uk 205.251.198.22
2600:9000:5306:1600::1		 ns-1558.awsdns-02.co.uk
ns-1558.awsdns-02.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-384.awsdns-48.com 205.251.193.128
2600:9000:5301:8000::1		 ns-384.awsdns-48.com
ns-384.awsdns-48.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-590.awsdns-09.net 205.251.194.78
2600:9000:5302:4e00::1		 ns-590.awsdns-09.net
ns-590.awsdns-09.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records1 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
3.79.140.78 86400s box.cswarning.dk AS16509 Amazon.com, Inc. 3.64.0.0/12 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s box.cswarning.dk 3.79.140.78 box.cswarning.dk AS16509 Amazon.com, Inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover3.79.140.78
🔶 Autoconfig3.79.140.78
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   245ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (sommerpost.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.sommerpost.dk)
p=quarantine v=DMARC1; p=quarantine;
📬 MTA-STS212ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy IDIgMgcNBKzmT5fVldPuA7
max_age604800s
Policy MXbox.cswarning.dk
📈 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)
🔐 DNSSEC74ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA51ms
FieldValue
Serial1
Primary NS (MNAME)ns-1139.awsdns-14.org
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
85ms
A
40ms
MX
52ms
AAAA
84ms
TXT
245ms
CAA
47ms
HTTPS
51ms
TLSA
116ms
SOA
51ms
MTA-STS
212ms
DNSSEC
74ms
SRV
103ms
Total
792ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-23 13:36:47 792ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 14:07:21 2104ms 4 NS 1 A 1 MX 🔓 Insecure View
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