atcdata.dk
📜 Historical scan 2026-07-02 00:19:54  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   46ms
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   46ms
IPTTLPTRASNISP / OrgCIDRCountryCity
83.136.91.136 10800s web01.atcdata.dk AS31027 GlobalConnect A/S 83.136.88.0/21 🇩🇰 Denmark —
📧 MX Records2 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s smtp.atcdata.dk 83.136.91.140 smtp.atcdata.dk AS31027 GlobalConnect A/S
20 10800s smtp2.atcdata.dk 83.136.91.158 mail.atcdata.dk AS31027 GlobalConnect A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover83.136.91.136
🔶 Autoconfig83.136.91.136
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   213ms
TXT Record
v=spf1 ip4:83.136.91.133/27 include:spf.simply.com include:web.shared.mysmtp.com -all
✉️ SPF
PolicyRecord (atcdata.dk)
-all (hard fail) v=spf1 ip4:83.136.91.133/27 include:spf.simply.com include:web.shared.mysmtp.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)
🔐 DNSSEC181ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA56ms
FieldValue
Serial2026040401
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
46ms
A
46ms
MX
36ms
AAAA
47ms
TXT
213ms
CAA
81ms
HTTPS
74ms
TLSA
767ms
SOA
56ms
MTA-STS
95ms
DNSSEC
181ms
SRV
88ms
Total
1771ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 00:17:26 641ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 04:41:44 701ms 2 NS 1 A 2 MX 🔒 Secure View
2026-07-02 00:19:54 1771ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-16 13:47:11 632ms 2 NS 1 A 2 MX 🔒 Secure View
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