neff.dk
Last scanned: 2026-08-25 20:30:56  ·  1308ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   96ms
NameserverIP addressesPTRASN / ISP
ns1.combell.eu 2a00:1c98:50::50
89.44.166.48		 —
89.44.166.48.static.hosted.by.combell-ops.net		 AS34762 Combell NV
AS34762 Combell NV
ns3.combell.net 2a00:1c98::53:1
83.217.73.172		 ns3.combell.net
ns3.combell.net		 AS34762 Combell NV
AS34762 Combell NV
ns4.combell.net 2001:1598:0:101::3
86.39.202.67		 ns4.combell.net
ns4.combell.net		 AS28747 Easyhost BVBA
AS28747 Easyhost BVBA
🌍 A Records1 records   102ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.21.184.250 3600s 217.21.184.250.static.hosted.by.combell.com AS34762 Combell NV 217.21.176.0/20 🇧🇪 Belgium —
📧 MX Records2 records   86ms
PriorityTTLMail ServerIP addressesPTRASN
30 3600s d330079.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.
40 3600s d330079.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.
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverautodiscoverredirect.cjhosting.dk
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records2 records   176ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 1 1 443 autodiscover-s.mailprotect.be
_imaps._tcp 1 1 993 imap.mailprotect.be
📝 TXT Records3 records   392ms
TXT Record
MS=ms43456839
R12YVYARS8HMTN447SKYTATI1H9X23MC6A06GS6B
v=spf1 a mx include:spf.ess.de.barracudanetworks.com ip4:185.88.122.254 -all
✉️ SPF
PolicyRecord (neff.dk)
-all (hard fail) v=spf1 a mx include:spf.ess.de.barracudanetworks.com ip4:185.88.122.254 -all
📨 DMARC
PolicyRecord (_dmarc.neff.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:mail.admin@essers.com; ruf=mailto:alerts.exchange@essers.com; fo=1;
📬 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)
🔐 DNSSEC260ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1787662174
Primary NS (MNAME)ns3.combell.net
Responsible (RNAME)hostmaster@neff.dk
Refresh10800s
Retry3600s
Expire604800s
Minimum (neg-cache TTL)40000s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
96ms
A
102ms
MX
86ms
AAAA
81ms
TXT
392ms
CAA
91ms
HTTPS
85ms
TLSA
139ms
SOA
0ms
MTA-STS
131ms
DNSSEC
260ms
SRV
176ms
Total
1308ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 20:30:56 1308ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 04:32:12 1016ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-20 00:10:15 2564ms 3 NS 1 A 2 MX 🔓 Insecure View
2026-06-18 00:04:31 2763ms 3 NS 1 A 2 MX 🔓 Insecure View
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