citybloc.dk
Last scanned: 2026-08-24 14:45:30  ·  2817ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   54ms
NameserverIP addressesPTRASN / ISP
dns1.a1.net 2001:850:3030:31:80:120:17:26
80.120.17.26		 dns1.a1.net
dns1.a1.net		 AS8447 Telekom Austria
AS8447 Telekom Austria
dns2.a1.net 192.174.68.105
2001:67c:1bc::105
2001:850:3010:101:213:33:99:79
213.33.99.79		 dns2.a1.net
dns2.a1.net
dns2.a1.net
dns2.a1.net		 AS1921 ipcom GmbH
AS1921 ipcom GmbH
AS8447 Telekom Austria
AS8447 Telekom Austria
dns3.a1.net 176.97.158.105
2001:67c:10b8::105		 dns3.a1.net
dns3.a1.net		 AS207021 ipcom GmbH
AS207021 ipcom GmbH
🌍 A Records1 records   61ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.120.17.23 3600s redirector.a1.net AS8447 Telekom Austria 80.120.16.0/23 🇦🇹 Austria Wels
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mx1.a1.net 213.33.87.13 mx1.bon.at AS8447 Telekom Austria
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.amc.a1.net
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   276ms
TXT Record
v=spf1 include:bspf.a1.net ~all
✉️ SPF
PolicyRecord (citybloc.dk)
~all (soft fail) v=spf1 include:bspf.a1.net ~all
📨 DMARC
PolicyRecord (_dmarc.citybloc.dk)
p=reject v=DMARC1; p=reject;
📬 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)
🔐 DNSSEC135ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2024100900
Primary NS (MNAME)dns2.a1.net
Responsible (RNAME)domainadmin@a1.net
Refresh10800s
Retry3600s
Expire1814400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
54ms
A
61ms
MX
53ms
AAAA
56ms
TXT
276ms
CAA
61ms
HTTPS
54ms
TLSA
139ms
SOA
0ms
MTA-STS
118ms
DNSSEC
135ms
SRV
101ms
Total
2817ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 14:45:30 2817ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 20:55:54 647ms 3 NS 1 A 1 MX 🔓 Insecure View
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