mono.dk
📜 Historical scan 2026-06-17 13:44:17  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   94ms
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   81ms
IPTTLPTRASNISP / OrgCIDRCountryCity
178.20.217.251 — vps2.simpledigital.dk AS21060 Atea A/S 178.20.216.0/23 🇩🇰 Denmark —
📧 MX Records2 records   98ms
PriorityTTLMail ServerIP addressesPTRASN
10 — eu-esec-01.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
20 — eu-esec-02.heimdalsecurity.com 20.50.183.144
20.50.183.146		 eu-esec-01.heimdalsecurity.com
eu-esec-01.heimdalsecurity.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   360ms
TXT Record
v=spf1 ip4:178.20.217.251 include:_custspf.one.com include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all
✉️ SPF
PolicyRecord (mono.dk)
-all (hard fail) v=spf1 ip4:178.20.217.251 include:_custspf.one.com include:spf.protection.outlook.com include:spf-esec.heimdalsecurity.com -all
📨 DMARC
PolicyRecord (_dmarc.mono.dk)
p=none (monitor only) v=DMARC1;p=none;pct=100;rua=mailto:dmarc@mono.dk;fo=1
📬 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 / DANE2 records   177ms
Service / OwnerTypeCert association
SMTP _25._tcp.eu-esec-01.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
SMTP _25._tcp.eu-esec-02.heimdalsecurity.com DANE-EE · SPKI · SHA-256 2E8933DD6DB99304A5A9D5C4ECDE7B8E…
🔐 DNSSEC306ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA70ms
FieldValue
Serial2026061601
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
94ms
A
81ms
MX
98ms
AAAA
123ms
TXT
360ms
CAA
79ms
HTTPS
80ms
TLSA
177ms
SOA
70ms
MTA-STS
82ms
DNSSEC
306ms
SRV
0ms
Total
2359ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 16:33:15 1799ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-28 10:58:25 928ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-26 14:07:29 595ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-20 19:23:04 1078ms 2 NS 1 A 2 MX 🔒 Secure View
2026-08-19 18:01:11 8198ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-21 05:22:12 1185ms 2 NS 1 A 2 MX 🔒 Secure View
2026-06-17 13:44:17 2359ms 2 NS 1 A 2 MX 🔒 Secure View
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