rotom.dk
Last scanned: 2026-08-27 23:06:31  ·  10498ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   67ms
NameserverIP addressesPTRASN / ISP
ns-3.eu 2a01:7c8:d007:462::155
85.10.135.155		 ns-3.eu
ns-3.eu		 AS20857 Signet B.V.
AS20857 Signet B.V.
ns1.hix.nl 2a00:a0c0:3::1:2
83.137.192.101		 ns1.hix.nl
ns1.hix.nl		 AS34233 Superior B.V.
AS34233 Superior B.V.
ns2.hix.nl 31.3.110.75 ns2.hix.nl AS197731 The Internet Engineering Group B.V.
🌍 A Records1 records   327ms
IPTTLPTRASNISP / OrgCIDRCountryCity
83.137.192.109 900s redirect.hix.nl AS34233 Superior B.V. 83.137.192.0/22 🇳🇱 The Netherlands Helmond
📧 MX Records2 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
10 900s d314547.a.ess.de.barracudanetworks.com 18.185.115.250
18.185.115.251
18.185.115.252		 mail.ess.de.barracuda.com
mail.ess.de.barracuda.com
mail.ess.de.barracuda.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
20 900s d314547.b.ess.de.barracudanetworks.com 18.185.115.250
18.185.115.251
18.185.115.252		 mail.ess.de.barracuda.com
mail.ess.de.barracuda.com
mail.ess.de.barracuda.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   740ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 mail.rotom.nl
📝 TXT Records2 records   1572ms
TXT Record
8JVZAzAj+Bn1NXJGZlCtsAQAW8UWg0rJBvM0Se/LAbnx+8ih73TvGwapL9IPWcgZPWU2S05FVFWQyNew2KIJQQ==
v=spf1 a include:spf.protection.outlook.com -all
✉️ SPF
PolicyRecord (rotom.dk)
-all (hard fail) v=spf1 a include:spf.protection.outlook.com -all
📨 DMARC
PolicyRecord (_dmarc.rotom.dk)
p=none (monitor only) v=DMARC1; p=none; fo=1; rua=mailto:rua+rotom.dk@dmarc.barracudanetworks.com; ruf=mailto:ruf+rotom.dk@dmarc.barracudanetworks.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)
🔐 DNSSEC9082ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2021070500
Primary NS (MNAME)ns1.hix.nl
Responsible (RNAME)postmaster@rotom.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)900s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
67ms
A
327ms
MX
52ms
AAAA
329ms
TXT
1572ms
CAA
311ms
HTTPS
321ms
TLSA
147ms
SOA
0ms
MTA-STS
351ms
DNSSEC
9082ms
SRV
740ms
Total
10498ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 23:06:31 10498ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-19 22:03:48 3258ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 07:48:31 1603ms 3 NS 1 A 2 MX 🔓 Insecure View
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