checkmarks.dk
📜 Historical scan 2026-07-17 18:00:18  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   53ms
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   62ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 43200s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —
📧 MX Records5 records   66ms
PriorityTTLMail ServerIP addressesPTRASN
1 43200s aspmx.l.google.com 173.194.221.26
2a00:1450:4025:c03::1a		 lm-in-f26.1e100.net
rc-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 43200s alt1.aspmx.l.google.com 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 43200s alt2.aspmx.l.google.com 172.253.158.26
2404:6800:4003:c26::1a		 so-in-f26.1e100.net
so-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 43200s aspmx2.googlemail.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 43200s aspmx3.googlemail.com 172.253.158.27
2404:6800:4003:c26::1b		 so-in-f27.1e100.net
so-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   266ms
TXT Record
google-site-verification=eD2w9okYGV--xCB4HUJ-_aRVTQvN0CK8qjX_ssLWPVk
✉️ 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)
🔐 DNSSEC176ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026071701
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
53ms
A
62ms
MX
66ms
AAAA
50ms
TXT
266ms
CAA
51ms
HTTPS
50ms
TLSA
162ms
SOA
0ms
MTA-STS
111ms
DNSSEC
176ms
SRV
140ms
Total
1454ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-12 01:59:36 4695ms 2 NS 1 A 5 MX 🔒 Secure View
2026-08-10 20:46:34 17092ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-17 18:00:18 1454ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-15 01:57:45 1090ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-10 14:20:48 5604ms 2 NS 1 A 5 MX 🔒 Secure View
2026-07-02 10:12:49 1419ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-20 00:10:38 955ms 2 NS 1 A 5 MX 🔒 Secure View
2026-06-16 20:25:12 2641ms 2 NS 1 A 5 MX 🔒 Secure View
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