internationalbusinessmachines.dk
Last scanned: 2026-08-25 18:13:56  ·  654ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   69ms
NameserverIP addressesPTRASN / ISP
dns1.p05.nsone.net 198.51.44.5
2620:4d:4000:6259:7:5:0:1		 dns1.p05.nsone.net
dns1.p05.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns2.p05.nsone.net 198.51.45.5
2a00:edc0:6259:7:5::2		 dns2.p05.nsone.net
dns2.p05.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns3.p05.nsone.net 198.51.44.69
2620:4d:4000:6259:7:5:0:3		 dns3.p05.nsone.net
dns3.p05.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
dns4.p05.nsone.net 198.51.45.69
2a00:edc0:6259:7:5::4		 dns4.p05.nsone.net
dns4.p05.nsone.net		 AS62597 NSONE Inc
AS62597 NSONE Inc
🌍 A Records
🌍
No A records found
📧 MX Records1 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   298ms
TXT Record
v=spf1 mx -all
✉️ SPF
PolicyRecord (internationalbusinessmachines.dk)
-all (hard fail) v=spf1 mx -all
📨 DMARC
PolicyRecord (_dmarc.internationalbusinessmachines.dk)
p=reject v=DMARC1;p=reject;sp=reject;rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com
📬 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)
🔐 DNSSEC89ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial1731334979
Primary NS (MNAME)dns1.p05.nsone.net
Responsible (RNAME)webmaste@us.ibm.com
Refresh43200s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
69ms
A
42ms
MX
66ms
AAAA
47ms
TXT
298ms
CAA
61ms
HTTPS
71ms
TLSA
81ms
SOA
0ms
MTA-STS
93ms
DNSSEC
89ms
SRV
92ms
Total
654ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 18:13:56 654ms 4 NS 0 A 1 MX 🔓 Insecure View
2026-06-22 14:19:37 890ms 4 NS 0 A 1 MX ❓ Unknown View
2026-06-17 16:05:13 3553ms 4 NS 0 A 0 MX 🔓 Insecure View
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