ringback.dk
Last scanned: 2026-08-26 14:22:44  ·  802ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   57ms
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   47ms
IPTTLPTRASNISP / OrgCIDRCountryCity
76.76.21.21 3600s — AS16509 Amazon.com, Inc. 76.76.21.0/24 🇺🇸 United States Walnut
📧 MX Records1 records   49ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s smtp.google.com 173.194.220.26
173.194.221.26
173.194.221.27
173.194.222.26
173.194.222.27
2a00:1450:4010:c09::1b
2a00:1450:4010:c09::1b
2a00:1450:4010:c0a::1a
2a00:1450:4010:c0a::1a
2a00:1450:4010:c0a::1b
2a00:1450:4010:c0a::1b
2a00:1450:4010:c0b::1b
2a00:1450:4010:c0b::1b		 lk-in-f26.1e100.net
lm-in-f26.1e100.net
lm-in-f27.1e100.net
lo-in-f26.1e100.net
lo-in-f27.1e100.net
lk-in-x1b.1e100.net
lk-in-f27.1e100.net
lm-in-f26.1e100.net
lm-in-x1a.1e100.net
lm-in-x1b.1e100.net
lm-in-f27.1e100.net
lo-in-f27.1e100.net
lo-in-x1b.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
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   200ms
TXT Record
google-site-verification=i-7HhcM6Z2cYh8_K1zzccPdMU3vOTuisdlMq_mHmc4o
v=spf1 include:_spf.google.com ~all
✉️ SPF
PolicyRecord (ringback.dk)
~all (soft fail) v=spf1 include:_spf.google.com ~all
📨 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)
🔐 DNSSEC86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081101
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
57ms
A
47ms
MX
49ms
AAAA
58ms
TXT
200ms
CAA
57ms
HTTPS
55ms
TLSA
59ms
SOA
0ms
MTA-STS
64ms
DNSSEC
86ms
SRV
69ms
Total
802ms
🕐 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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