isob.dk
Last scanned: 2026-08-26 14:57:50  ·  725ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   40ms
NameserverIP addressesPTRASN / ISP
udns1.cscdns.net 2001:502:f3ff::201
204.74.66.1		 edns1.ultradns.com
edns1.ultradns.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
udns2.cscdns.uk 2001:502:4612::201
204.74.111.1		 ns2.webipdns.com.au
edns1.ultradns.org		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
🌍 A Records2 records   40ms
IPTTLPTRASNISP / OrgCIDRCountryCity
165.160.13.20 86400s — AS19574 Corporation Service Company 165.160.12.0/22 🇺🇸 United States —
165.160.15.20 86400s — AS19574 Corporation Service Company 165.160.12.0/22 🇺🇸 United States —
📧 MX Records
📧
No MX records found
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   275ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (isob.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.isob.dk)
p=reject v=DMARC1; p=reject; rua=mailto:bg3a1wcx@ag.eu.dmarcian.com;
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records2 records   55ms
FlagsTagValue
0 iodef mailto:ssl@lego.com
0 issue ;
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC92ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2019101512
Primary NS (MNAME)udns1.cscdns.net
Responsible (RNAME)hostmaster@cscdns.net
Refresh28800s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
40ms
A
40ms
MX
52ms
AAAA
51ms
TXT
275ms
CAA
55ms
HTTPS
52ms
TLSA
65ms
SOA
0ms
MTA-STS
102ms
DNSSEC
92ms
SRV
81ms
Total
725ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 14:57:50 725ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-07-22 13:23:35 16584ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-30 10:15:15 821ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-25 11:08:58 1676ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-23 03:03:05 1170ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 18:10:13 569ms 2 NS 2 A 0 MX 🔓 Insecure View
2026-06-18 00:57:06 956ms 2 NS 2 A 0 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone