supportbackup.dk
Last scanned: 2026-08-26 11:50:56  ·  1081ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
🌍 A Records2 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.43.166 300s AS13335 Cloudflare, Inc. 104.21.0.0/17
172.67.181.185 300s AS13335 Cloudflare, Inc. 172.67.128.0/17
📧 MX Records1 records   55ms
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.24
🔷 AAAA Records (IPv6)2 records   41ms
🔐 HTTPS Records1 records   59ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.43.166,172.67.181.185 ech=AEX+DQBBvwAgACCg1cDftMt4SgABk5Igyu67EIXZFVLgmAHuWPZSwe66PAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2ba6,2606:4700:3031::ac43:b5b9
🔌 SRV Records1 records   82ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com
📝 TXT Records1 records   217ms
TXT Record
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (supportbackup.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.supportbackup.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:31d32b71834b4e32a0591c67026f9944@dmarc-reports.cloudflare.net,mailto:skraldespand@supportmand.dk
📬 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)
🔐 DNSSEC75ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2412891769
Primary NS (MNAME)rayden.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
32ms
A
39ms
MX
55ms
AAAA
41ms
TXT
217ms
CAA
49ms
HTTPS
59ms
TLSA
321ms
SOA
0ms
MTA-STS
74ms
DNSSEC
75ms
SRV
82ms
Total
1081ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:50:56 1081ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-22 17:32:08 1856ms 2 NS 2 A 1 MX 🔒 Secure View
2026-08-06 00:49:03 1730ms 2 NS 2 A 1 MX 🔒 Secure View
2026-07-29 08:58:44 2621ms 2 NS 2 A 1 MX 🔒 Secure View
2026-07-06 21:19:38 2304ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-26 00:29:06 6124ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-23 18:00:13 1141ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-22 06:07:44 1069ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 15:09:02 1828ms 2 NS 2 A 1 MX ❓ Unknown View
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