do-best.dk
Last scanned: 2026-08-28 08:58:02  ·  951ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.71.250.156 600s do-best.dk AS63949 Akamai Connected Cloud 212.71.248.0/21 🇬🇧 United Kingdom London
📧 MX Records1 records   53ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s do-best.dk 212.71.250.156 do-best.dk AS63949 Akamai Connected Cloud
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover212.71.250.156
🔶 Autoconfig212.71.250.156
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   226ms
TXT Record
v=spf1 mx a ptr ip4:212.71.250.156 ip6:2a01:7e00:0:0:f03c:91ff:fedb:ca97
✉️ SPF
PolicyRecord (do-best.dk)
no all — incomplete SPF v=spf1 mx a ptr ip4:212.71.250.156 ip6:2a01:7e00:0:0:f03c:91ff:fedb:ca97
📨 DMARC
PolicyRecord (_dmarc.do-best.dk)
p=none (monitor only) v=DMARC1; p=none; sp=none; rf=afrf; pct=100; ri=86400
📬 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)
🔐 DNSSEC125ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081001
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
32ms
A
39ms
MX
53ms
AAAA
43ms
TXT
226ms
CAA
51ms
HTTPS
46ms
TLSA
142ms
SOA
0ms
MTA-STS
87ms
DNSSEC
125ms
SRV
189ms
Total
951ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 08:58:02 951ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 20:45:28 683ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 02:12:55 1241ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-11 13:10:36 697ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 23:51:40 2515ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-22 00:53:06 1069ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 04:16:11 1593ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:05:42 11634ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:03:04 398ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 04:00:03 889ms 2 NS 1 A 1 MX 🔒 Secure View
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