exlholding.dk
Last scanned: 2026-08-26 03:05:18  ·  654ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   37ms
NameserverIP addressesPTRASN / ISP
ns1.bdm.microsoftonline.com 13.107.236.208
2603:1061:0:700::d0		 ns1-208.azure-dns.com
ns1-208.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com 150.171.21.208
2620:1ec:8ec:700::d0		 ns2-208.azure-dns.net
ns2-208.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com 204.14.183.208
2a01:111:4000:700::d0		 ns3-208.azure-dns.org
ns3-208.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com 208.84.5.208
2620:1ec:bda:700::d0		 ns4-208.azure-dns.info
ns4-208.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🌍 A Records
🌍
No A records found
📧 MX Records1 records   48ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s exlholding-dk.mail.protection.outlook.com — — —
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscover.outlook.com → 40.104.116.40
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   71ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   183ms
TXT Record
mscid=C2Y7oWCMvfVcqAgG+1mn8TMm7cd0rKVUCAb9mB8BqYzXpStlFUtEujHMdQoYYtLTLD0pi1+983rEKl3Jq4SuIg==
v=spf1 include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (exlholding.dk)
-all (hard fail) v=spf1 include:spf.protection.outlook.com -all
📨 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)
🔐 DNSSEC87ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns1.bdm.microsoftonline.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
37ms
A
45ms
MX
48ms
AAAA
37ms
TXT
183ms
CAA
46ms
HTTPS
51ms
TLSA
156ms
SOA
0ms
MTA-STS
59ms
DNSSEC
87ms
SRV
71ms
Total
654ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 03:05:18 654ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-08-25 03:06:50 32360ms 4 NS 0 A 0 MX 🔓 Insecure View
2026-06-25 21:51:12 6450ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-24 02:59:01 1178ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 09:09:20 996ms 4 NS 0 A 1 MX 🔓 Insecure View
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