englishfirst.dk
Last scanned: 2026-08-27 13:56:55  ·  5051ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   63ms
NameserverIP addressesPTRASN / ISP
ns-1159.awsdns-16.org 205.251.196.135
2600:9000:5304:8700::1		 ns-1159.awsdns-16.org
ns-1159.awsdns-16.org		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-1815.awsdns-34.co.uk 205.251.199.23
2600:9000:5307:1700::1		 ns-1815.awsdns-34.co.uk
ns-1815.awsdns-34.co.uk		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-423.awsdns-52.com 205.251.193.167
2600:9000:5301:a700::1		 ns-423.awsdns-52.com
ns-423.awsdns-52.com		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
ns-786.awsdns-34.net 205.251.195.18
2600:9000:5303:1200::1		 ns-786.awsdns-34.net
ns-786.awsdns-34.net		 AS16509 Amazon.com, Inc.
AS16509 Amazon.com, Inc.
🌍 A Records1 records   60ms
IPTTLPTRASNISP / OrgCIDRCountryCity
212.209.129.161 300s — AS702 Verizon Business 212.209.128.0/18 🇸🇪 Sweden —
📧 MX Records1 records   43ms
PriorityTTLMail ServerIP addressesPTRASN
0 1800s smtp.domainnetwork.net — — —
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records
📝
No TXT records found
✉️ SPF
✗ No SPF record — mail spoofing not restricted
📨 DMARC
✗ No DMARC record — mail spoofing not restricted
📬 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)
🔐 DNSSEC2072ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial1
Primary NS (MNAME)ns-786.awsdns-34.net
Responsible (RNAME)awsdns-hostmaster@amazon.com
Refresh7200s
Retry900s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
63ms
A
60ms
MX
43ms
AAAA
59ms
TXT
221ms
CAA
58ms
HTTPS
38ms
TLSA
249ms
SOA
0ms
MTA-STS
93ms
DNSSEC
2072ms
SRV
75ms
Total
5051ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 13:56:55 5051ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-07-02 01:32:13 4165ms 4 NS 1 A 1 MX 🔓 Insecure View
2026-06-17 07:35:59 469ms 4 NS 1 A 1 MX 🔓 Insecure View
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