mail.firstoption.in - robtex.com

mail.firstoption.in

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:20a1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:98de🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.161Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.222🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.161, 172.67.152.222
IPv6 hints2606:4700:3030::6815:20a1, 2606:4700:3035::ac43:98de
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com

firstoption.in

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:20a1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:98de🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.161Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.222🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjake.ns.cloudflare.com ⭐
NSsue.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net ⭐
TXT4b1b15b5f54ed3734eb4b393bb4d9f38b59e9e9f
TXTafternic-verification-TgWkD5MFjfjioVhUztV4YK
TXTc2cd60614582468691fb93af17ed67f5
TXTdan-ownership-verification=4b4af594
TXTe5e1989232215752d973520ab830682191911ed6
TXTepik-domain=9690df5ad39d3f1d5c1a4e929f08dfe8
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.161, 172.67.152.222
IPv6 hints2606:4700:3030::6815:20a1, 2606:4700:3035::ac43:98de
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com
SOAjake.ns.cloudflare.comdns@cloudflare.com serial=2396843401

Previously MX for

firstoption.in

Same first word

mail.gov.ie
mail.company
mail.gov.mn
mail.priv.pl
mail.mw
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mail.co.nz
mail.sdscloud.pl
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mail.party
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lima.nu
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DNS History

6 records (4 active, 2 former)

2017201820192020202120222023202420252026A104.21.32.161172.67.152.2222606:4700:3030::6815:20a12606:4700:3035::ac43:98de209.126.101.15269.64.49.211
●A104.21.32.1612026-03-10 → 2026-04-04 · 3 obs
○ 2016-07-01 11:24:48
● 2026-03-10 22:30:44
● 2026-04-04 16:57:24
●A172.67.152.2222026-03-10 → 2026-04-04 · 3 obs
○ 2016-07-01 11:24:48
● 2026-03-10 22:30:44
● 2026-04-04 16:57:24
○A209.126.101.1522016-03-10 → 2016-03-10 · 3 obs
● 2016-03-10 15:13:58
○ 2016-07-01 11:24:48
○ 2026-04-04 16:57:24
●A2606:4700:3030::6815:20a12026-03-10 → 2026-04-04 · 3 obs
○ 2016-07-01 11:24:48
● 2026-03-10 22:30:44
● 2026-04-04 16:57:24
●A2606:4700:3035::ac43:98de2026-03-10 → 2026-04-04 · 3 obs
○ 2016-07-01 11:24:48
● 2026-03-10 22:30:44
● 2026-04-04 16:57:24
○A69.64.49.2112016-07-01 → 2016-07-01 · 4 obs
○ 2016-03-10 15:13:58
● 2016-07-01 11:24:48
○ 2026-03-10 22:30:44
○ 2026-04-04 16:57:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
inns10.trs-dns.org, ns01.trs-dns.com, ns10.trs-dns.info, ns01.trs-dns.net-
firstoption.injake.ns.cloudflare.com, sue.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.122

NS records: jake.ns.cloudflare.com, sue.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstoption.in (unsigned zone)

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.222, 104.21.32.161
AAAA22606:4700:3035::ac43:98de, 2606:4700:3030::6815:20a1
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.firstoption.in maps to four IP numbers: 2606:4700:3030::6815:20a1, 2606:4700:3035::ac43:98de, 104.21.32.161 and 172.67.152.222.

Other host names such as mlml023.com, rqt.kr, trackingproactivo.com.ar, difbetween.com and temelkimya.org share IPs with mail.firstoption.in.