aerbo.dk
Last scanned: 2026-09-01 08:59:24  ·  594ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   53ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
ns4.simply.com 91.197.248.80 ns4.simply.com AS48854 team.blue Denmark A/S
🌍 A Records1 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
94.231.109.47 3600s linux19.unoeuro.com AS48854 team.blue Denmark A/S 94.231.96.0/20 🇩🇰 Denmark —
📧 MX Records2 records   57ms
PriorityTTLMail ServerIP addressesPTRASN
5 600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
10 600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover94.231.109.47
🔶 Autoconfig94.231.109.47
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   167ms
TXT Record
v=spf1 a mx include:spf.simply.com -all
✉️ SPF
PolicyRecord (aerbo.dk)
-all (hard fail) v=spf1 a mx include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.aerbo.dk)
p=none (monitor only) v=DMARC1; p=none;sp=none; rf=afrf;fo=1;ri=8600;aspf=r;adkim=r;pct=100;
📬 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   59ms
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…
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2025042300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
53ms
A
59ms
MX
57ms
AAAA
43ms
TXT
167ms
CAA
42ms
HTTPS
47ms
TLSA
59ms
SOA
0ms
MTA-STS
59ms
DNSSEC
86ms
SRV
73ms
Total
594ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 08:59:24 594ms 4 NS 1 A 2 MX 🔒 Secure View
2026-08-27 13:14:07 713ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-23 13:31:15 684ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-21 04:24:28 1111ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-20 21:04:15 912ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-19 11:27:47 608ms 4 NS 1 A 2 MX 🔒 Secure View
2026-06-16 12:47:56 598ms 4 NS 1 A 2 MX 🔒 Secure View
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