treebula.dk
Last scanned: 2026-08-31 02:28:39  ·  2309ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   120ms
🌍 A Records1 records   107ms
📧 MX Records1 records   89ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   67ms
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   652ms
TXT Record
v=spf1 -all
✉️ SPF
PolicyRecord (treebula.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.treebula.dk)
p=reject v=DMARC1; p=reject; aspf=s
📬 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.treebula.dk _acme-challenge._.treebula.dk._.redirect.nmugroup.com._.acme-challenge.nmugroup.se
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC239ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026083100
Primary NS (MNAME)origo.nmugroup.com
Responsible (RNAME)dns@nmugroup.com
Refresh86400s
Retry7200s
Expire3600000s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
120ms
A
107ms
MX
89ms
AAAA
67ms
TXT
652ms
CAA
105ms
HTTPS
89ms
TLSA
741ms
SOA
0ms
MTA-STS
147ms
DNSSEC
239ms
SRV
139ms
Total
2309ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-31 02:28:39 2309ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-29 10:24:51 578ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-28 02:07:46 765ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-26 18:53:53 692ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-23 05:53:02 1032ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-21 05:18:49 9487ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-20 02:44:53 8744ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-18 22:51:47 743ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-15 00:15:27 3625ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-12 18:47:30 888ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-09 21:07:41 839ms 4 NS 1 A 1 MX 🔒 Secure View
2026-08-04 17:57:03 966ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-28 15:51:35 9600ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-27 11:32:09 927ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-23 07:19:49 2673ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-22 01:41:44 9645ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-18 07:04:16 868ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-17 06:38:16 782ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-13 03:34:01 9708ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-09 01:38:25 1468ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-06 12:58:55 2164ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-04 23:50:36 818ms 4 NS 1 A 1 MX 🔒 Secure View
2026-07-02 11:10:31 1178ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-28 17:31:08 740ms 4 NS 1 A 1 MX 🔒 Secure View
2026-06-20 20:08:29 2871ms 4 NS 1 A 1 MX 🔒 Secure View
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