kronholm.dk
Last scanned: 2026-08-25 13:56:58  ·  9776ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers5 records   164ms
NameserverIP addressesPTRASN / ISP
ns1.linode.com 2600:14c0:6::2
92.123.94.2		 c1-2.akashield.net
c1-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns2.linode.com 2600:14c0:6::3
92.123.94.3		 c1-3.akashield.net
c1-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns3.linode.com 2600:14c0:7::3
92.123.95.3		 c2-3.akashield.net
c2-3.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns4.linode.com 2600:14c0:7::4
92.123.95.4		 c2-4.akashield.net
c2-4.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
ns5.linode.com 2600:14c0:7::2
92.123.95.2		 c2-2.akashield.net
c2-2.akashield.net		 AS21342 Akamai International B.V.
AS21342 Akamai International B.V.
🌍 A Records1 records   76ms
IPTTLPTRASNISP / OrgCIDRCountryCity
172.105.68.106 86400s ubuntu-eu-host.kronholm.dk AS63949 Akamai Connected Cloud 172.105.0.0/17 🇩🇪 Germany Frankfurt am Main
📧 MX Records1 records   144ms
PriorityTTLMail ServerIP addressesPTRASN
5 60s ubuntu-eu-smtp.kronholm.dk 172.104.138.89
2a01:7e01::f03c:92ff:fe9a:8ab3		 ubuntu-eu-smtp.kronholm.dk
ubuntu-eu-host.kronholm.dk		 AS63949 Akamai Connected Cloud
AS63949 Akamai Connected Cloud
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   750ms
TXT Record
google-site-verification=7_6HLDybZqbGUClMyy_a4Y5fcw5MvIuw3lqU6RHV_lo
v=spf1 mx a ip4:172.104.138.89 ip4:172.105.68.106 ip6:2a01:7e01::f03c:92ff:fe9a:8ab3 -all
✉️ SPF
PolicyRecord (kronholm.dk)
-all (hard fail) v=spf1 mx a ip4:172.104.138.89 ip4:172.105.68.106 ip6:2a01:7e01::f03c:92ff:fe9a:8ab3 -all
📨 DMARC
PolicyRecord (_dmarc.kronholm.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:kronholm@kronholm.dk;
📬 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)
🔐 DNSSEC9093ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2021000121
Primary NS (MNAME)ns1.linode.com
Responsible (RNAME)hostmaster@kronholm.dk
Refresh14400s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
164ms
A
76ms
MX
144ms
AAAA
152ms
TXT
750ms
CAA
73ms
HTTPS
62ms
TLSA
184ms
SOA
0ms
MTA-STS
126ms
DNSSEC
9093ms
SRV
240ms
Total
9776ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-25 13:56:58 9776ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-24 00:59:50 1741ms 5 NS 1 A 1 MX 🔓 Insecure View
2026-06-23 06:48:01 907ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-17 15:31:53 1339ms 5 NS 1 A 1 MX 🔓 Insecure View
dhd.dk [/] search Domains, Hosts & DNS — .dk zone