sumsum.dk
Last scanned: 2026-09-01 16:42:38  ·  610ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
NameserverIP addressesPTRASN / ISP
ns1.curanet.dk 185.25.141.12
2a02:2339:4006:108::123		 ns1.curanet.dk
ns1.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.curanet.dk 2a02:2339:1:10f::123:123
91.197.248.75		 ns2.curanet.dk
ns2.curanet.dk		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
🌍 A Records1 records   34ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.155.37 3600s splash.zitcom.dk AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records2 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.sumsum.dk 80.160.71.163 mail1.curanet.dk AS3292 TDC Holding A/S
20 3600s backup-mx.zitcom.dk 46.36.212.34
46.36.212.36
46.36.212.37
46.36.212.38
89.188.78.64
89.188.78.65
89.188.78.66
94.231.106.12		 node4.spamfilter.io
node8.spamfilter.io
node6.spamfilter.io
node7.spamfilter.io
node3.spamfilter.io
node9.spamfilter.io
node10.spamfilter.io
node2.spamfilter.io		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.155.37
🔶 Autoconfig93.191.155.37
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC81ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2021111701
Primary NS (MNAME)ns1.curanet.dk
Responsible (RNAME)hostmaster@curanet.dk
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
46ms
A
34ms
MX
35ms
AAAA
43ms
TXT
170ms
CAA
48ms
HTTPS
31ms
TLSA
59ms
SOA
0ms
MTA-STS
66ms
DNSSEC
81ms
SRV
63ms
Total
610ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 16:42:38 610ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-27 09:48:27 844ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-25 12:47:03 962ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-25 01:42:53 2481ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 09:48:46 1165ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 17:09:16 602ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 17:03:51 744ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 14:19:38 1825ms 2 NS 1 A 2 MX 🔒 Secure View
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