7a.dk
Last scanned: 2026-08-30 22:16:40  ·  2218ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers3 records   98ms
NameserverIP addressesPTRASN / ISP
ns1.simply.com 2a02:2339:1:15c::4562:4562
91.197.248.78		 ns1.simply.com
ns1.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns2.simply.com 185.25.141.15
2a02:2339:4006:101::4562:4562		 ns2.simply.com
ns2.simply.com		 AS48854 team.blue Denmark A/S
AS48854 team.blue Denmark A/S
ns3.simply.com 91.197.248.79 ns3.simply.com AS48854 team.blue Denmark A/S
🌍 A Records
🌍
No A records found
📧 MX Records1 records   114ms
PriorityTTLMail ServerIP addressesPTRASN
0 3600s mail.7a.dk 2a00:fd01:8146:3d00::30 — AS214875 Altibox Danmark AS
🔷 AAAA Records (IPv6)1 records   80ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a00:fd01:8146:3d00:215:5dff:fe02:6d04 600s — AS214875 Altibox Danmark AS 2a00:fd01:0:0:0:0:0:0/32 🇩🇰 Denmark Grindsted
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records1 records   934ms
TXT Record
v=spf1 include:spf.mailjet.com include:spf.simply.com -all
✉️ SPF
PolicyRecord (7a.dk)
-all (hard fail) v=spf1 include:spf.mailjet.com include:spf.simply.com -all
📨 DMARC
PolicyRecord (_dmarc.7a.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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.7a.dk 72521cf7-1971-4667-bd11-fd90006cc39a.c-8a1f.tx.auth.certifytheweb.com
TXT 72521cf7-1971-4667-bd11-fd90006cc39a.c-8a1f.tx.auth.certifytheweb.com gAK6K2sTypzDhjDy5ull_BLl2hVuy_C_L_96XQD7_t0
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC309ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset
🏷️ SOA0ms
FieldValue
Serial2026083003
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
98ms
A
83ms
MX
114ms
AAAA
80ms
TXT
934ms
CAA
150ms
HTTPS
100ms
TLSA
231ms
SOA
0ms
MTA-STS
148ms
DNSSEC
309ms
SRV
141ms
Total
2218ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-30 22:16:40 2218ms 3 NS 0 A 1 MX 🔒 Secure View
2026-08-29 21:00:33 2073ms 3 NS 0 A 1 MX 🔒 Secure View
2026-08-15 16:20:18 6197ms 3 NS 1 A 1 MX 🔒 Secure View
2026-08-07 03:33:04 1686ms 3 NS 1 A 1 MX 🔒 Secure View
2026-06-16 12:59:09 1317ms 3 NS 1 A 1 MX 🔒 Secure View
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