interstuhl.dk
Last scanned: 2026-08-26 05:16:22  ·  4306ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   42ms
NameserverIP addressesPTRASN / ISP
ns.gbc.gmbh 49.12.121.173 ns.gbc.gmbh AS24940 Hetzner Online GmbH
ns.gbc.green 192.174.68.104
2001:67c:1bc::104		 ns.inwx.es
ns.inwx.de		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
ns.gbc.jetzt 2a02:d500::53
45.87.158.53		 ns3.inwx.eu
c.xnameserver.de		 AS48596 InterNetworX Management GmbH
AS48596 InterNetworX Management GmbH
ns.gbc.red 176.97.158.104
2001:67c:10b8::104		 b.xnameserver.de
ns.domrobot.net		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
ns.gbc.systems 212.97.96.154 ns.gbc.systems AS24766 GBC GmbH Internet Service Center Ingenieurgesellschaft fuer Systemsoftware und Kommunikation
🌍 A Records1 records   59ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.154.78.86 14400s — AS3320 Deutsche Telekom AG 80.152.0.0/14 🇩🇪 Germany Albstadt
📧 MX Records1 records   63ms
PriorityTTLMail ServerIP addressesPTRASN
0 14400s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   286ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (interstuhl.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.interstuhl.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@interstuhl.de!10m; ruf=mailto:dmarc@interstuhl.de!10m; rf=afrf; sp=reject; ri=86400
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records1 records   60ms
FlagsTagValue
0 issue letsencrypt.org
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC88ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024091810
Primary NS (MNAME)ns.gbc.systems
Responsible (RNAME)support@gbc.net
Refresh3600s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
42ms
A
59ms
MX
63ms
AAAA
65ms
TXT
286ms
CAA
60ms
HTTPS
65ms
TLSA
124ms
SOA
0ms
MTA-STS
85ms
DNSSEC
88ms
SRV
92ms
Total
4306ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 05:16:22 4306ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-30 00:26:26 1386ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-20 15:26:24 5826ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:19:07 2869ms 5 NS 1 A 0 MX 🔓 Insecure View
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