dlfh.dk
Last scanned: 2026-08-06 18:51:05  ·  852ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   91ms
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   137ms
IPTTLPTRASNISP / OrgCIDRCountryCity
93.191.156.183 600s linux293.unoeuro.com AS48854 team.blue Denmark A/S 93.191.152.0/21 🇩🇰 Denmark —
📧 MX Records1 records   148ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s mx.simply.com 94.231.106.20 mx.simply.com AS48854 team.blue Denmark A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover93.191.156.183
🔶 Autoconfig93.191.156.183
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   309ms
TXT Record
v=spf1 include:spf.simply.com -all
✉️ SPF
PolicyRecord (dlfh.dk)
-all (hard fail) v=spf1 include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.dlfh.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
📬 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   50ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 A9D603AF4D7ED6B9246B4B68500CD6F2…
🔐 DNSSEC192ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026080201
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
91ms
A
137ms
MX
148ms
AAAA
133ms
TXT
309ms
CAA
101ms
HTTPS
132ms
TLSA
50ms
SOA
0ms
MTA-STS
136ms
DNSSEC
192ms
SRV
134ms
Total
852ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-06 18:51:05 852ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-03 13:17:51 538ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-29 18:18:51 588ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 05:28:39 1855ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 03:50:31 2533ms 2 NS 1 A 1 MX 🔓 Insecure View
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