realonline.dk
Last scanned: 2026-08-28 05:15:36  ·  9752ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   48ms
NameserverIP addressesPTRASN / ISP
ns01.hosit.dk 193.104.202.31 ns01.hosit.dk AS50346 It Forum Gruppen A/s
ns02.hosit.dk 87.116.23.114 ns02.hosit.dk AS31027 GlobalConnect A/S
ns03.hosit.dk 152.115.55.201 ns04.hosit.dk AS31027 GlobalConnect A/S
ns04.hosit.dk 152.115.55.201 ns04.hosit.dk AS31027 GlobalConnect A/S
🌍 A Records1 records   51ms
IPTTLPTRASNISP / OrgCIDRCountryCity
193.104.202.178 900s — AS50346 It Forum Gruppen A/s 193.104.202.0/24 🇩🇰 Denmark Hellerup
📧 MX Records3 records   62ms
PriorityTTLMail ServerIP addressesPTRASN
10 86400s mx20.check4spam.dk 154.59.193.124
2001:978:2:6::f:124		 fe3-r3-in.du01.l.antispamcloud.com
fe3-r3-in.du01.l.antispamcloud.com		 AS16633 N-able Technologies, Inc.
AS174 Cogent Communications, LLC
10 86400s mx30.check4spam.dk 154.59.104.23
2001:978:2:2c::137:100		 fe2-r3-in.ams14.l.antispamcloud.com
fe2-r3-in.ams14.l.antispamcloud.com		 AS43054 N-able Acquisition Company B.V.
AS174 Cogent Communications, LLC
10 86400s mx40.check4spam.dk 154.59.104.23
2001:978:2:2c::137:100		 fe2-r3-in.ams14.l.antispamcloud.com
fe2-r3-in.ams14.l.antispamcloud.com		 AS43054 N-able Acquisition Company B.V.
AS174 Cogent Communications, LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 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)
🔐 DNSSEC9081ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2018090503
Primary NS (MNAME)ns01.hosit.dk
Responsible (RNAME)support@sit.dk
Refresh28800s
Retry7200s
Expire1814400s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
48ms
A
51ms
MX
62ms
AAAA
53ms
TXT
212ms
CAA
64ms
HTTPS
69ms
TLSA
127ms
SOA
0ms
MTA-STS
88ms
DNSSEC
9081ms
SRV
85ms
Total
9752ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-28 05:15:36 9752ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-08-27 08:52:47 935ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-07-02 14:41:33 2525ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-27 08:02:02 790ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-25 23:19:41 6423ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-23 10:09:45 1188ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-21 13:17:56 621ms 4 NS 1 A 3 MX 🔓 Insecure View
2026-06-17 13:15:57 687ms 4 NS 1 A 3 MX 🔓 Insecure View
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