burt.dk
Last scanned: 2026-08-26 11:31:09  ·  974ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   73ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S
🌍 A Records1 records   67ms
IPTTLPTRASNISP / OrgCIDRCountryCity
87.49.138.230 43200s 87-49-138-230-static.dk.customer.tdc.net AS3292 TDC Holding A/S 87.48.0.0/13 🇩🇰 Denmark Køge
📧 MX Records2 records   70ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s burt.dk 87.49.138.230 87-49-138-230-static.dk.customer.tdc.net AS3292 TDC Holding A/S
20 43200s backup-mx.post.tele.dk 80.160.77.99 backup-mx1.post.tele.dk AS3292 TDC Holding A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoverburt.dk → 87.49.138.230
🔶 Autoconfigburt.dk → 87.49.138.230
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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.burt.dk burt.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081301
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
73ms
A
67ms
MX
70ms
AAAA
57ms
TXT
180ms
CAA
65ms
HTTPS
68ms
TLSA
103ms
SOA
0ms
MTA-STS
81ms
DNSSEC
86ms
SRV
75ms
Total
974ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 11:31:09 974ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-15 06:22:24 1955ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-14 23:31:15 16681ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 14:23:42 727ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-26 16:45:50 678ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 12:55:45 700ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-24 03:10:59 1195ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-22 23:39:04 1164ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 17:45:28 637ms 2 NS 1 A 2 MX 🔒 Secure View
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