concrete-design.dk
Last scanned: 2026-08-28 16:15:54  ·  403ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   31ms
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   32ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.213.61 3600s webcluster2.webpod12-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   21ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10a:80ed:653d:c16f:e59e 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen
🔐 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC98ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026082801
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
31ms
A
32ms
MX
21ms
AAAA
29ms
TXT
102ms
CAA
19ms
HTTPS
31ms
TLSA
49ms
SOA
0ms
MTA-STS
34ms
DNSSEC
98ms
SRV
32ms
Total
403ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 16:15:54 403ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-22 17:02:11 679ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-06 08:57:59 4661ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-29 23:03:59 2482ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-25 05:07:36 2467ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 11:06:25 596ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 01:42:40 984ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 05:08:31 2436ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-23 21:43:33 1153ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-23 21:06:58 1179ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 10:24:56 1817ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 00:24:09 65535ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 22:08:54 383ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 22:07:47 1226ms 2 NS 1 A 0 MX 🔒 Secure View
2026-06-16 22:00:31 2379ms 2 NS 1 A 0 MX 🔒 Secure View
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