semnet.dk
Last scanned: 2026-08-14 11:33:55  ·  931ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   37ms
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
78.31.252.90 3600s ip1.semarkit.net AS204151 EWII Bredbaand A/S 78.31.252.0/22 🇩🇰 Denmark Ans
📧 MX Records1 records   47ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.semark.dk 83.151.155.18 — AS31027 GlobalConnect A/S
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscoversemnet.dk → 78.31.252.90
🔶 Autoconfigsemnet.dk → 78.31.252.90
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   166ms
TXT Record
v=spf1 redirect=_spf.semarkit.net
✉️ SPF
PolicyRecord (semnet.dk)
no all — incomplete SPF v=spf1 redirect=_spf.semarkit.net
📨 DMARC
PolicyRecord (_dmarc.semnet.dk)
p=reject v=DMARC1; p=reject; sp=reject; aspf=r; adkim=r; fo=1; pct=100; rua=mailto:postmaster@semarkit.net; ruf=mailto:postmaster@semarkit.net;
📬 MTA-STS
✗ No MTA-STS policy — SMTP TLS not enforced
📈 TLSRPT
✗ No TLSRPT record — no SMTP TLS failure reporting
📜 CAA Records2 records   35ms
FlagsTagValue
0 iodef mailto:info@semarkit.net
0 issue letsencrypt.org
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.semnet.dk semnet.dk
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC139ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081301
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
37ms
A
46ms
MX
47ms
AAAA
43ms
TXT
166ms
CAA
35ms
HTTPS
35ms
TLSA
167ms
SOA
0ms
MTA-STS
55ms
DNSSEC
139ms
SRV
104ms
Total
931ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-14 11:33:55 931ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-18 18:34:51 9098ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-14 16:05:31 4118ms 2 NS 1 A 1 MX 🔒 Secure View
2026-07-02 10:08:41 2259ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 21:15:27 630ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 17:53:56 788ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-18 08:39:12 837ms 2 NS 1 A 1 MX 🔒 Secure View
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