mail.j2f.dev - dns.ninja

mail.j2f.dev

DNSSEC⚠️ Not signed
A2604:a880:4:1d0::51c7:4000🇺🇸 DIGITALOCEAN2604:a880:4::/48 DigitalOcean
PTRmail.j2f.dev
A137.184.231.120🇺🇸 DIGITALOCEAN137.184.224.0/20 DigitalOcean
TXTv=spf1 a ra=postmaster -all

j2f.dev

DNSSEC🔒 Signed (DS record present)
A44.227.65.245🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
A44.227.76.166🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
NScuritiba.ns.porkbun.com ⭐
NSfortaleza.ns.porkbun.com
NSmaceio.ns.porkbun.com
NSsalvador.ns.porkbun.com
MXmail.j2f.dev ⭐
TXTv=spf1 mx ra=postmaster -all
SOAcuritiba.ns.porkbun.comdns@cloudflare.com serial=2405907309

PTR for

120.231.184.137.in-addr.arpa
0.0.0.4.7.c.1.5.0.0.0.0.0.0.0.0.0.d.1.0.4.0.0.0.0.8.8.a.4.0.6.2.ip6.arpa

MX for

j2f.dev

Previously MX for

usetin.com

Same first word

mail.gr
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DNS History

2 records (2 active, 0 former)

A137.184.231.1202604:a880:4:1d0::51c7:4000
●A137.184.231.1202026-03-27 → 2026-06-25 · 2 obs
● 2026-03-27 07:41:18
● 2026-06-25 17:33:38
●A2604:a880:4:1d0::51c7:40002026-03-27 → 2026-06-25 · 2 obs
● 2026-03-27 07:41:18
● 2026-06-25 17:33:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
j2f.devsalvador.ns.porkbun.com, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com-

✅ Authoritative Response

Server:173.245.58.37

NS records: salvador.ns.porkbun.com, curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1410ms | Queries: -

📄 Records

TypeCountSample Data
A1137.184.231.120
AAAA12604:a880:4:1d0::51c7:4000
TXT1v=spf1 a ra=postmaster -all

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

Mail Server Role

j2f.dev uses mail.j2f.dev as a mail server.

IP Addresses

mail.j2f.dev has two IP addresses: 137.184.231.120 and 2604:a880:4:1d0::51c7:4000