atu-flensborg.dk
📜 Historical scan 2026-06-16 13:50:52  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   239ms
NameserverIP addressesPTRASN / ISP
daisy.ns.cloudflare.com — — —
thaddeus.ns.cloudflare.com — — —
🌍 A Records2 records   165ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.92.186 — — AS13335 — — — —
172.67.197.29 — — AS13335 — — — —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)2 records   221ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::6815:5cba — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
2606:4700:3037::ac43:c51d — — AS13335 Cloudflare, Inc. 2606:4700:3000::/42 — —
🔐 HTTPS Records1 records   189ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.92.186,172.67.197.29 ech=AEX+DQBBlwAgACA41AMgc1sbai2CoOVhilCbC1JktSaHjQMIOv4l671bLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:5cba,2606:4700:3037::ac43:c51d
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.atu-flensborg.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email
📬 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)
🔐 DNSSEC278ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA163ms
FieldValue
Serial2405636862
Primary NS (MNAME)daisy.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
239ms
A
165ms
MX
140ms
AAAA
221ms
TXT
328ms
CAA
134ms
HTTPS
189ms
TLSA
223ms
SOA
163ms
MTA-STS
179ms
DNSSEC
278ms
SRV
0ms
Total
1403ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-03 11:53:24 1991ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-16 20:41:54 9727ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-02 00:09:44 877ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 13:50:52 1403ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-16 13:49:11 453ms 2 NS 2 A 0 MX 🔓 Insecure View
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