ringback.dk
📜 Historical scan 2026-07-07 08:50:19  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   125ms
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   152ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 3600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut
📧 MX Records1 records   104ms
PriorityTTLMail ServerIP addressesPTRASN
0 — 300 — — —
🔷 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
PolicyRecord (_dmarc.ringback.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC204ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026070701
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
125ms
A
152ms
MX
104ms
AAAA
139ms
TXT
267ms
CAA
104ms
HTTPS
141ms
TLSA
59ms
SOA
0ms
MTA-STS
116ms
DNSSEC
204ms
SRV
142ms
Total
738ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-26 14:22:44 802ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-11 21:53:52 1154ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 18:26:41 1215ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-12 03:27:22 1116ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-07 08:50:19 738ms 2 NS 1 A 1 MX 🔒 Secure View
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