postbrev.dk
Last scanned: 2026-08-28 07:41:30  ·  1250ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   59ms
NameserverIP addressesPTRASN / ISP
ns1pri.webhosting.dk 157.250.160.80 ns1pri.webhosting.dk AS3342 Cibicom A/S
ns2.mywebtonet.com 157.250.163.66 ns2.mywebtonet.com AS3342 Cibicom A/S
ns2.webhosting.dk 157.250.163.65 ns2.webhosting.dk AS3342 Cibicom A/S
ns3.webhosting.dk 2a01:4f9:c010:7e3d::1
95.217.166.205		 —
ns3.webhosting.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns7.webhosting.dk 159.69.216.38
2a01:4f8:1c0c:6cd6::1		 ns7.webhosting.dk
—		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   63ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.228.49.194 600s 188.228.49.194.dynamic.altibox.net AS214875 Altibox Danmark AS 188.228.48.0/22 🇩🇰 Denmark Ikast
📧 MX Records1 records   65ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s smtp.rmus.me 188.228.49.194 188.228.49.194.dynamic.altibox.net AS214875 Altibox Danmark AS
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverpostbrev.dk → 188.228.49.194
🔶 Autoconfigpostbrev.dk → 188.228.49.194
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   105ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 webmail.postbrev.dk.postbrev.dk
📝 TXT Records1 records   273ms
TXT Record
v=spf1 include:spf.webmail.rmus.me ptr ip4:188.228.49.194/20 -all
✉️ SPF
PolicyRecord (postbrev.dk)
-all (hard fail) v=spf1 include:spf.webmail.rmus.me ptr ip4:188.228.49.194/20 -all
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.postbrev.dk postbrev.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC118ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial3002260898
Primary NS (MNAME)ns1pri.webhosting.dk
Responsible (RNAME)hostmaster@webhosting.dk
Refresh21600s
Retry3600s
Expire14515200s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
59ms
A
63ms
MX
65ms
AAAA
66ms
TXT
273ms
CAA
64ms
HTTPS
90ms
TLSA
182ms
SOA
0ms
MTA-STS
87ms
DNSSEC
118ms
SRV
105ms
Total
1250ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 07:41:30 1250ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-26 03:58:39 703ms 5 NS 1 A 1 MX 🔒 Secure View
2026-08-18 13:14:57 1364ms 5 NS 1 A 1 MX 🔒 Secure View
2026-06-27 09:41:46 831ms 5 NS 1 A 1 MX 🔒 Secure View
2026-06-24 15:34:50 2991ms 5 NS 1 A 1 MX 🔒 Secure View
2026-06-18 03:31:09 1455ms 5 NS 1 A 1 MX 🔒 Secure View
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