understatement.dk
📜 Historical scan 2026-07-18 23:58:12  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   28ms
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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.227.38.65 3600s myshopify.com AS13335 Cloudflare, Inc. 23.227.38.0/23 🇨🇦 Canada Ottawa
📧 MX Records1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC62ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA25ms
FieldValue
Serial2026071501
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
28ms
A
31ms
MX
29ms
AAAA
29ms
TXT
150ms
CAA
30ms
HTTPS
32ms
TLSA
37ms
SOA
25ms
MTA-STS
45ms
DNSSEC
62ms
SRV
37ms
Total
4579ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-10 21:40:36 1821ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 23:58:12 4579ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-17 23:20:24 703ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 02:36:05 816ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 18:11:00 1691ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 17:44:37 9424ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 01:59:40 1498ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:55:38 1356ms 2 NS 1 A 0 MX 🔒 Secure View
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