quarterback.dk
Last scanned: 2026-08-27 11:17:11  ·  3093ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   2034ms
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 Records
🌍
No A records found
📧 MX Records2 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx19-1.mycloudmailbox.com 173.46.152.138
173.46.152.139		 mx19-1.mycloudmailbox.com
mx19-2.mycloudmailbox.com		 AS36354 SherWeb inc.
AS36354 SherWeb inc.
10 600s mx19-2.mycloudmailbox.com 173.46.152.138
173.46.152.139		 mx19-1.mycloudmailbox.com
mx19-2.mycloudmailbox.com		 AS36354 SherWeb inc.
AS36354 SherWeb inc.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover173.46.152.170
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   179ms
TXT Record
v=spf1 ip4:173.46.152.128/25 ip4:199.244.76.0/24 -all
✉️ SPF
PolicyRecord (quarterback.dk)
-all (hard fail) v=spf1 ip4:173.46.152.128/25 ip4:199.244.76.0/24 -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)
🔐 DNSSEC78ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2023062301
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
2034ms
A
40ms
MX
36ms
AAAA
45ms
TXT
179ms
CAA
28ms
HTTPS
38ms
TLSA
335ms
SOA
0ms
MTA-STS
74ms
DNSSEC
78ms
SRV
50ms
Total
3093ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 11:17:11 3093ms 4 NS 0 A 2 MX 🔒 Secure View
2026-08-26 19:34:55 1079ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-25 17:46:48 2727ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-24 00:51:55 968ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-20 23:12:22 1195ms 4 NS 0 A 2 MX 🔒 Secure View
2026-06-18 06:11:04 5171ms 4 NS 0 A 2 MX 🔒 Secure View
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