sipper.dk
📜 Historical scan 2026-07-03 11:52:33  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   276ms
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   274ms
IPTTLPTRASNISP / OrgCIDRCountryCity
75.2.60.5 3600s acd89244c803f7181.awsglobalaccelerator.com AS16509 Amazon.com, Inc. 75.2.0.0/17 🇺🇸 United States —
📧 MX Records1 records   221ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   589ms
TXT Record
google-site-verification=lnevVonerBsKbQcracRVrFB277-Wxvg-C6WdWsFsA9Y
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
PolicyRecord (_dmarc.sipper.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)
🔐 DNSSEC470ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026062801
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
276ms
A
274ms
MX
221ms
AAAA
288ms
TXT
589ms
CAA
313ms
HTTPS
301ms
TLSA
182ms
SOA
0ms
MTA-STS
355ms
DNSSEC
470ms
SRV
329ms
Total
2552ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 04:24:59 538ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-26 04:21:59 490ms 2 NS 1 A 1 MX 🔒 Secure View
2026-08-20 07:16:40 4589ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-26 18:33:00 2452ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-04 14:30:02 2554ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 13:01:47 662ms 2 NS 1 A 0 MX 🔒 Secure View
2026-07-03 11:52:33 2552ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-26 16:39:49 502ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-25 18:47:28 682ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 20:36:28 417ms 2 NS 1 A 0 MX 🔒 Secure View
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