citysec.dk
Last scanned: 2026-06-27 07:35:32  ·  2508ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   295ms
NameserverIP addressesPTRASN / ISP
ns1.he.net 2001:470:100::2
216.218.130.2		 —
ns1.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns2.he.net 2001:470:200::2
216.218.131.2		 ns2.he.net
ns2.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns3.he.net 2001:470:300::2
216.218.132.2		 ns3.he.net
ns3.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns4.he.net 2001:470:400::2
216.66.1.2		 ns4.he.net
ns4.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
ns5.he.net 2001:470:500::2
216.66.80.18		 ns5.he.net
ns5.he.net		 AS6939 Hurricane Electric LLC
AS6939 Hurricane Electric LLC
🌍 A Records4 records   267ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 86400s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 86400s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 86400s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 86400s cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
📧 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 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)
🔐 DNSSEC385ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA309ms
FieldValue
Serial2023042310
Primary NS (MNAME)ns1.he.net
Responsible (RNAME)hostmaster@he.net
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)172800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
295ms
A
267ms
MX
292ms
AAAA
311ms
TXT
588ms
CAA
250ms
HTTPS
283ms
TLSA
234ms
SOA
309ms
MTA-STS
315ms
DNSSEC
385ms
SRV
309ms
Total
2508ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-27 07:35:32 2508ms 5 NS 4 A 0 MX 🔓 Insecure View
2026-06-18 19:33:35 904ms 5 NS 4 A 0 MX 🔓 Insecure View
2026-06-16 23:29:34 65535ms 5 NS 4 A 0 MX 🔓 Insecure View
2026-06-16 21:23:08 1676ms 5 NS 4 A 0 MX ⚠️ Bogus View
2026-06-16 21:03:02 545ms 5 NS 4 A 0 MX 🔓 Insecure View
2026-06-16 21:00:17 633ms 5 NS 4 A 0 MX 🔓 Insecure View
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