performancememory.dk
📜 Historical scan 2026-07-06 23:12:24  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   306ms
🌍 A Records2 records   291ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.54.253 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.170.3 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover104.21.54.253
🔶 Autoconfig104.21.54.253
🔷 AAAA Records (IPv6)2 records   201ms
🔐 HTTPS Records1 records   312ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.54.253,172.67.170.3 ech=AEX+DQBBmQAgACAKemoP7AJ7vQP37OQtZLMKmu9c3HtsFEflZiCvRssOIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:aa03,2606:4700:3031::6815:36fd
📝 TXT Records1 records   567ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (performancememory.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.performancememory.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)
🔐 DNSSEC488ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2408814908
Primary NS (MNAME)nia.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s
📋 RegistrationWHOIS fetched 2026-08-19 21:24:29
FieldValue
RegistrarWANNAFIND.DK A/S
Registered2002-05-02
Expires2027-07-31 (330d)
📋 WHOIS
⏱️ Lookup Timing
NS
306ms
A
291ms
MX
262ms
AAAA
201ms
TXT
567ms
CAA
230ms
HTTPS
312ms
TLSA
422ms
SOA
0ms
MTA-STS
357ms
DNSSEC
488ms
SRV
338ms
Total
4192ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-24 00:56:54 2404ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-19 21:23:34 9330ms 2 NS 2 A 0 MX 🔒 Secure View
2026-08-08 19:26:41 900ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-17 22:09:07 749ms 2 NS 2 A 0 MX 🔒 Secure View
2026-07-06 23:12:24 4192ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-28 09:37:44 767ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-26 07:16:57 859ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-22 19:54:28 2344ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-21 08:35:50 1004ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-20 14:54:51 2581ms 2 NS 2 A 0 MX 🔒 Secure View
2026-06-18 03:04:14 2607ms 2 NS 2 A 0 MX 🔒 Secure View
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