2ndlevel.dk
📜 Historical scan 2026-06-19 12:56:06  ·  ← Latest scan
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers2 records   123ms
NameserverIP addressesPTRASN / ISP
ns0.thundercloud.uk 149.255.60.1 ns0.thundercloud.uk AS34931 Awareness Software Limited
ns1.thundercloud.uk 185.53.57.60 ns1.thundercloud.uk AS12488 Krystal Hosting Ltd
🌍 A Records1 records   104ms
IPTTLPTRASNISP / OrgCIDRCountryCity
149.255.62.128 601s cloud331.thundercloud.uk AS34931 Awareness Software Limited 149.255.56.0/21 🇬🇧 United Kingdom —
📧 MX Records1 records   113ms
PriorityTTLMail ServerIP addressesPTRASN
10 601s aspmx.l.google.com 142.251.1.26
2a00:1450:4010:c02::1a
2a00:1450:4010:c02::1a		 lb-in-f26.1e100.net
le-in-f26.1e100.net
le-in-x1a.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   468ms
TXT Record
google-site-verification=uCELN4r64rqcYZh2_iw
v=spf1 include:relay.thundermail.uk ~all
✉️ SPF
PolicyRecord (2ndlevel.dk)
~all (soft fail) v=spf1 include:relay.thundermail.uk ~all
📨 DMARC
PolicyRecord (_dmarc.2ndlevel.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
TXT _acme-challenge.2ndlevel.dk 6MPZlvzbde2489H4ZrY_7RsDjwlee1cUbdzgaafW9Fo
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC243ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA102ms
FieldValue
Serial2026042101
Primary NS (MNAME)ns1.thundercloud.uk
Responsible (RNAME)henrik@2ndlevel.dk
Refresh3600s
Retry1800s
Expire604800s
Minimum (neg-cache TTL)3600s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
123ms
A
104ms
MX
113ms
AAAA
124ms
TXT
468ms
CAA
108ms
HTTPS
97ms
TLSA
216ms
SOA
102ms
MTA-STS
83ms
DNSSEC
243ms
SRV
288ms
Total
983ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-20 11:52:12 5964ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-08-16 17:51:54 1416ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-21 05:55:44 953ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-19 12:56:06 983ms 2 NS 1 A 1 MX 🔓 Insecure View
2026-06-16 12:39:16 2851ms 2 NS 1 A 1 MX 🔓 Insecure View
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