alumnet.dk
Last scanned: 2026-08-27 12:38:51  ·  7297ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   31ms
NameserverIP addressesPTRASN / ISP
ns1.sdu.dk 130.225.155.136 ns1.sdu.dk AS1835 IDDQD-AS
ns2.sdu.dk 130.225.155.148 ns2.sdu.dk AS1835 IDDQD-AS
ns3.sdu.dk 193.163.227.4 ns3.sdu.dk AS44328 Region Syddanmark
🌍 A Records
🌍
No A records found
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   223ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (alumnet.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.alumnet.dk)
p=reject v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk
📬 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)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2011045846
Primary NS (MNAME)ns1.sdu.dk
Responsible (RNAME)dns@it-service.sdu.dk
Refresh3600s
Retry360s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 RegistrationWHOIS fetched 2026-07-06 15:35:44
FieldValue
Registrardns.services ApS
Registered2010-04-07
Expires2030-04-30 (1336d)
📋 WHOIS
⏱️ Lookup Timing
NS
31ms
A
38ms
MX
44ms
AAAA
33ms
TXT
223ms
CAA
50ms
HTTPS
4056ms
TLSA
34ms
SOA
0ms
MTA-STS
55ms
DNSSEC
75ms
SRV
122ms
Total
7297ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 12:38:51 7297ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-27 03:03:48 4475ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-27 00:00:31 16334ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-25 16:54:44 16532ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-24 14:01:16 4718ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-19 03:44:58 16517ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-11 06:08:14 5640ms 3 NS 0 A 0 MX 🔒 Secure View
2026-08-08 10:07:30 6848ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-27 05:51:47 4434ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-26 05:33:41 8544ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-25 05:09:13 615ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-20 14:06:42 6634ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-18 05:53:12 11106ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-17 05:25:20 8420ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-16 04:36:47 16373ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-10 20:39:20 8537ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-09 05:23:24 8766ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-06 15:29:31 4374ms 3 NS 0 A 0 MX 🔒 Secure View
2026-07-01 20:43:08 5200ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 23:35:48 4331ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-26 00:29:34 4278ms 3 NS 0 A 0 MX 🔒 Secure View
2026-06-16 12:54:54 4810ms 3 NS 0 A 0 MX 🔒 Secure View
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