firstgrade.dk
📜 Historical scan 2026-06-17 09:37:07  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   116ms
NameserverIP addressesPTRASN / ISP
ns01.one.com
ns02.one.com
🌍 A Records1 records   105ms
📧 MX Records8 records   116ms
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records7 records   298ms
TXT Record
atlassian-domain-verification=DYTmazkcp8i/1rCu4Ya/G2s3I3XbWxhFCUlcV2x7JQKTKawlVbCySLZ0OFIyWorG
facebook-domain-verification=gbq91kuz131euvi2y7a483c8799ylg
klaviyo-site-verification=U9uJFt
klaviyo-site-verification=WAJjNZ
shopify-verification-code=gDX9tGNZSOINQD8OXsISQjNTh4geK3
unione-validate-hash=7975ed2b4200068467c984a9de4bb83f
v=spf1 a mx include:spf.mailjet.com include:send.heysender.com include:spf.smartpack.dk include:mxsspf.sendpulse.com include:_spf.google.com include:spf.simply.com include:shops.shopify.com include:servers.mcsv.net include:spf.postal.yuu.dk include:spf.unione.io ~all
✉️ SPF
📨 DMARC
PolicyRecord (_dmarc.firstgrade.dk)
p=none (monitor only) v=DMARC1; p=none;
📬 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)
🔐 DNSSEC273ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA118ms
FieldValue
Serial2026050501
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
116ms
A
105ms
MX
116ms
AAAA
106ms
TXT
298ms
CAA
116ms
HTTPS
118ms
TLSA
231ms
SOA
118ms
MTA-STS
29ms
DNSSEC
273ms
SRV
0ms
Total
1163ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-07-27 21:49:25 1544ms 2 NS 1 A 8 MX 🔒 Secure View
2026-06-26 07:24:25 1879ms 2 NS 1 A 8 MX 🔒 Secure View
2026-06-17 09:37:07 1163ms 2 NS 1 A 8 MX 🔒 Secure View
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