holtab.dk
Last scanned: 2026-08-27 06:36:30  ·  3905ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   70ms
NameserverIP addressesPTRASN / ISP
dns1.asp01.se 185.186.56.152 dns1.asp01.se AS208001 Nordlo Vaxjo & Ljungby AB
dns2.asp01.se 40.68.230.39 — AS8075 Microsoft Corporation
dns3.asp01.se 185.186.56.153 dns3.asp01.se AS208001 Nordlo Vaxjo & Ljungby AB
🌍 A Records1 records   73ms
IPTTLPTRASNISP / OrgCIDRCountryCity
35.241.31.195 3600s 195.31.241.35.bc.googleusercontent.com AS396982 Google LLC 35.240.0.0/13 🇺🇸 United States Mountain View
📧 MX Records1 records   105ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s holtab-dk.mail.protection.outlook.com 52.101.103.137
52.101.103.143
52.101.68.32
52.101.68.5		 mail-miypr02cu00101.inbound.protection.outlook.com
mail-miypr03cu00107.inbound.protection.outlook.com
mail-db3pr0202cu00200.inbound.protection.outlook.com
mail-du2pr03cu00105.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
📧 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   140ms
ServicePriorityWeightPortTarget
_sipfederationtls._tcp 100 1 5061 sipfed.online.lync.com
📝 TXT Records2 records   334ms
TXT Record
MS=ms81436779
v=spf1 a:mail.holtab.se a:mail1.holtab.se ip4:91.212.209.184 include:spf.protection.outlook.com a:mx01.asp01.se ~all
✉️ SPF
PolicyRecord (holtab.dk)
~all (soft fail) v=spf1 a:mail.holtab.se a:mail1.holtab.se ip4:91.212.209.184 include:spf.protection.outlook.com a:mx01.asp01.se ~all
📨 DMARC
PolicyRecord (_dmarc.holtab.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@holtab.se\010
📬 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)
🔐 DNSSEC158ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2017100626
Primary NS (MNAME)dns1.asp01.se
Responsible (RNAME)admin@asp01.se
Refresh900s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
70ms
A
73ms
MX
105ms
AAAA
81ms
TXT
334ms
CAA
89ms
HTTPS
51ms
TLSA
350ms
SOA
0ms
MTA-STS
148ms
DNSSEC
158ms
SRV
140ms
Total
3905ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 06:36:30 3905ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 20:39:02 6472ms 3 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 12:15:58 1454ms 3 NS 1 A 1 MX 🔓 Insecure View
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