tandemspring.dk
Last scanned: 2026-08-19 10:24:42  ·  956ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   51ms
NameserverIP addressesPTRASN / ISP
ns3.nordicway.dk 2a01:4f8:c2c:d3c0::1
78.47.45.64		 ns3.nordicway.dk
ns3.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
ns4.nordicway.dk 2a01:4f8:c010:24a2::1
78.47.56.84		 ns4.nordicway.dk
ns4.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🌍 A Records1 records   57ms
IPTTLPTRASNISP / OrgCIDRCountryCity
176.9.90.24 3600s cp10.nordicway.dk AS24940 Hetzner Online GmbH 176.9.0.0/16 🇩🇪 Germany Falkenstein
📧 MX Records1 records   52ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s tandemspring.dk 176.9.90.24
2a01:4f8:151:30f0::2		 cp10.nordicway.dk
cp10.nordicway.dk		 AS24940 Hetzner Online GmbH
AS24940 Hetzner Online GmbH
🔷 AAAA Records (IPv6)1 records   57ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:151:30f0::2 3600s cp10.nordicway.dk AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany Falkenstein
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   290ms
TXT Record
v=spf1 ip4:176.9.90.24 ip4:49.12.122.94 +a +mx include:relay.mailchannels.net ~all
✉️ SPF
PolicyRecord (tandemspring.dk)
~all (soft fail) v=spf1 ip4:176.9.90.24 ip4:49.12.122.94 +a +mx include:relay.mailchannels.net ~all
📨 DMARC
PolicyRecord (_dmarc.tandemspring.dk)
p=none (monitor only) v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400
📬 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
🔏 ACME Challenge
TypeNameValue
TXT _acme-challenge.tandemspring.dk ZwGVGBoplu09IPvId_1jW3ljCUVxQaKJAFFExerH_1Y
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC76ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA0ms
FieldValue
Serial2026081801
Primary NS (MNAME)ns3.nordicway.dk
Responsible (RNAME)server@nordicway.dk
Refresh3600s
Retry1800s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
51ms
A
57ms
MX
52ms
AAAA
57ms
TXT
290ms
CAA
81ms
HTTPS
63ms
TLSA
60ms
SOA
0ms
MTA-STS
77ms
DNSSEC
76ms
SRV
86ms
Total
956ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-19 10:24:42 956ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-20 23:59:50 1313ms 2 NS 1 A 1 MX 🔒 Secure View
2026-06-17 14:45:44 1373ms 2 NS 1 A 1 MX 🔒 Secure View
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