blueit.dk
Last scanned: 2026-08-21 14:01:55  ·  4594ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   263ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   330ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.195.172.36 43200s blueit.dk AS42686 Blue IT Aps 185.195.172.0/22 🇩🇰 Denmark Vadum
📧 MX Records1 records   280ms
PriorityTTLMail ServerIP addressesPTRASN
10 28800s mx3.blueit.dk 185.195.172.25 mx3.blueit.dk AS42686 Blue IT Aps
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   291ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 0 1 5061 sipfed.online.lync.com
📝 TXT Records4 records   792ms
TXT Record
google-site-verification=Vlh9szoi4kJCkCuj2sRM6yxiXF51-Mepctt1IBh0EPY
google-site-verification=WXkWskkth700ID1y8OVr51AW0nIOwpZv5kxYKn6bCv4
MS=ms59669693
v=spf1 mx mx:blueit.dk -all
✉️ SPF
PolicyRecord (blueit.dk)
-all (hard fail) v=spf1 mx mx:blueit.dk -all
📨 DMARC
PolicyRecord (_dmarc.blueit.dk)
p=reject v=DMARC1; p=reject; pct=100; rua=mailto:postmaster@blueit.dk; ruf=mailto:authfail@blueit.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)
🔐 DNSSEC582ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082104
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
263ms
A
330ms
MX
280ms
AAAA
333ms
TXT
792ms
CAA
286ms
HTTPS
269ms
TLSA
328ms
SOA
0ms
MTA-STS
387ms
DNSSEC
582ms
SRV
291ms
Total
4594ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-21 14:01:55 4594ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-04 22:44:31 2325ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-03 13:27:54 1185ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 06:15:16 725ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-15 17:10:49 8654ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 15:31:46 533ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 11:57:24 872ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 15:04:58 476ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 15:04:08 1998ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 15:01:39 1547ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-16 15:00:04 1918ms 2 NS 1 A 1 MX 🔒 Secure View
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