backop.dk
📜 Historical scan 2026-06-16 13:59:20  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   189ms
NameserverIP addressesPTRASN / ISP
ns01.one.com — — —
ns02.one.com — — —
🌍 A Records2 records   193ms
IPTTLPTRASNISP / OrgCIDRCountryCity
141.193.213.10 — — AS209242 Cloudflare London, LLC 141.193.213.0/24 🇺🇸 United States —
141.193.213.11 — — AS209242 Cloudflare London, LLC 141.193.213.0/24 🇺🇸 United States —
📧 MX Records1 records   193ms
PriorityTTLMail ServerIP addressesPTRASN
1 — smtp.google.com 142.250.147.26
142.250.147.27
142.251.9.26
142.251.9.27		 rd-in-f26.1e100.net
rd-in-f27.1e100.net
rc-in-f26.1e100.net
rc-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
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 Records2 records   260ms
TXT Record
google-site-verification=INWvpIiIT9gUOsxNZkgBf-FcH6FX5LLBoWkzkMj0RrI
v=spf1 include:send.heysender.com ~all
✉️ SPF
PolicyRecord (backop.dk)
~all (soft fail) v=spf1 include:send.heysender.com ~all
📨 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)
🔐 DNSSEC285ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA182ms
FieldValue
Serial2026052004
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
189ms
A
193ms
MX
193ms
AAAA
47ms
TXT
260ms
CAA
194ms
HTTPS
196ms
TLSA
65ms
SOA
182ms
MTA-STS
47ms
DNSSEC
285ms
SRV
0ms
Total
778ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-09-01 06:29:44 2576ms 3 NS 2 A 1 MX 🔓 Insecure View
2026-08-28 09:44:38 768ms 3 NS 2 A 1 MX 🔓 Insecure View
2026-08-10 00:46:35 1656ms 3 NS 2 A 1 MX 🔓 Insecure View
2026-07-21 17:43:29 1056ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-20 23:29:44 950ms 2 NS 2 A 1 MX 🔒 Secure View
2026-06-20 23:28:04 1162ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-16 13:59:20 778ms 2 NS 2 A 1 MX 🔒 Secure View
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