substream.dk
Last scanned: 2026-08-28 07:17:00  ·  673ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   81ms
NameserverIP addressesPTRASN / ISP
mina.ns.cloudflare.com 108.162.194.251
162.159.38.251
172.64.34.251
2606:4700:50::a29f:26fb
2803:f800:50::6ca2:c2fb
2a06:98c1:50::ac40:22fb		 mina.ns.cloudflare.com
mina.ns.cloudflare.com
mina.ns.cloudflare.com
mina.ns.cloudflare.com
mina.ns.cloudflare.com
mina.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
thomas.ns.cloudflare.com 108.162.193.238
172.64.33.238
173.245.59.238
2606:4700:58::adf5:3bee
2803:f800:50::6ca2:c1ee
2a06:98c1:50::ac40:21ee		 thomas.ns.cloudflare.com
thomas.ns.cloudflare.com
thomas.ns.cloudflare.com
thomas.ns.cloudflare.com
thomas.ns.cloudflare.com
thomas.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
🌍 A Records1 records   79ms
IPTTLPTRASNISP / OrgCIDRCountryCity
147.29.95.140 300s — AS29156 DXC Technology Danmark A/S 147.29.0.0/17 🇩🇰 Denmark Valby
📧 MX Records1 records   90ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mail.cphit.dk 87.54.11.50 mail.cphit.dk AS3292 TDC Holding A/S
🔷 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)
🔐 DNSSEC144ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2412891729
Primary NS (MNAME)mina.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
81ms
A
79ms
MX
90ms
AAAA
74ms
TXT
294ms
CAA
48ms
HTTPS
92ms
TLSA
77ms
SOA
0ms
MTA-STS
126ms
DNSSEC
144ms
SRV
148ms
Total
673ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:17:00 673ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-22 21:32:18 2197ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-03 10:11:08 975ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-24 23:01:48 977ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-14 22:00:29 8967ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-07 04:37:37 2802ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-07-03 01:10:40 1510ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-25 12:23:14 1793ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 13:36:45 2115ms 2 NS 1 A 1 MX 🔓 Insecure View
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