mail.costhack.com - dns.ninja

mail.costhack.com

DNSSEC⚠️ Not signed

costhack.com

DNSSEC⚠️ Not signed
A199.16.172.174🇺🇸 Automattic199.16.172.0/24 PRESSABLE
A199.16.173.227🇺🇸 Automattic199.16.173.0/24 PRESSABLE
NSns-1214.awsdns-23.org ⭐
NSns-1778.awsdns-30.co.uk
NSns-206.awsdns-25.com
NSns-913.awsdns-50.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
SOAns-1214.awsdns-23.orgawsdns-hostmaster@amazon.com serial=1
rank #613754 globally
rank #256765 in the tld

Previously MX for

costhack.com

Same first word

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DNS History

1 record (0 active, 1 former)

201820192020202120222023202420252026A108.167.141.131
○A108.167.141.1312017-03-18 → 2017-03-18 · 2 obs
● 2017-03-18 12:22:28
○ 2026-08-02 21:46:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
costhack.comns-206.awsdns-25.com, ns-913.awsdns-50.net, ns-1778.awsdns-30.co.uk, ns-1214.awsdns-23.org2 records

✅ Authoritative Response

Server:205.251.192.206

NS records: ns-206.awsdns-25.com, ns-913.awsdns-50.net, ns-1778.awsdns-30.co.uk, ns-1214.awsdns-23.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costhack.com (unsigned zone)

⏱️ Timing

Total: 179ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-206.awsdns-25.com, ns-206.awsdns-25.com)