blue-heart.dk
Last scanned: 2026-08-19 07:41:54  ·  10832ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   253ms
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   226ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.157 3600s webcluster30.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen
📧 MX Records1 records   253ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)1 records   227ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:eb:1633:11f7:fd8d 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)
🔐 DNSSEC424ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081804
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
253ms
A
226ms
MX
253ms
AAAA
227ms
TXT
8685ms
CAA
155ms
HTTPS
243ms
TLSA
329ms
SOA
0ms
MTA-STS
377ms
DNSSEC
424ms
SRV
279ms
Total
10832ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 07:41:54 10832ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-13 06:14:40 845ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-02 07:51:28 738ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 12:28:42 9478ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 22:03:44 484ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-21 01:30:17 2575ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 15:19:24 2892ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 15:09:29 2064ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 15:00:25 728ms 2 NS 1 A 4 MX 🔒 Secure View
2026-06-16 15:00:03 912ms 2 NS 1 A 4 MX 🔒 Secure View
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