taub.dk
Last scanned: 2026-08-27 15:55:41  ·  927ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   32ms
NameserverIP addressesPTRASN / ISP
ns1.onwelcom.dk 185.51.79.241 mail.onwelcom.dk AS205984 Powernet Aps
ns2.onwelcom.dk 185.51.79.251 — AS205984 Powernet Aps
🌍 A Records1 records   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
80.196.174.158 86400s — AS3292 TDC Holding A/S 80.196.0.0/14 🇩🇰 Denmark Hedensted
📧 MX Records3 records   33ms
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 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
20 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
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscover127.0.0.1
🔶 Autoconfig80.196.174.158
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
🔌 SRV Records1 records   75ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 0 443 exchange.onwelcom.dk
📝 TXT Records1 records   192ms
TXT Record
v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all
✉️ SPF
PolicyRecord (taub.dk)
-all (hard fail) v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -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)
🔐 DNSSEC79ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2016062003
Primary NS (MNAME)ns1.onwelcom.dk
Responsible (RNAME)hostmaster@taub.dk
Refresh3600s
Retry600s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
32ms
A
45ms
MX
33ms
AAAA
41ms
TXT
192ms
CAA
52ms
HTTPS
39ms
TLSA
113ms
SOA
0ms
MTA-STS
76ms
DNSSEC
79ms
SRV
75ms
Total
927ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:55:41 927ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-08-26 11:51:52 800ms 2 NS 1 A 3 MX 🔓 Insecure View
2026-06-18 03:56:41 714ms 2 NS 1 A 3 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone