steadfastmail.com - robtex.com

steadfastmail.com

DNSSEC⚠️ Not signed
A44.230.85.241πŸ‡ΊπŸ‡Έ Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-230-85-241.us-west-2.compute.amazonaws.com
A52.33.207.7πŸ‡ΊπŸ‡Έ Amazon52.32.0.0/14 EC2 PDX prefix
NScuritiba.ns.porkbun.com ⭐
A2400:cb00:2049:1::adf5:3a25πŸ‡ΊπŸ‡Έ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A173.245.58.37πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSfortaleza.ns.porkbun.com
A2400:cb00:2049:1::a29f:88cπŸ‡ΊπŸ‡Έ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSmaceio.ns.porkbun.com
A2400:cb00:2049:1::a29f:bb4πŸ‡ΊπŸ‡Έ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSsalvador.ns.porkbun.com
A2400:cb00:2049:1::a29f:a96πŸ‡ΊπŸ‡Έ Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmail.protonmail.ch ⭐
A176.119.200.128πŸ‡¨πŸ‡­ AS62371176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128πŸ‡¨πŸ‡­ AS62371185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128πŸ‡«πŸ‡· AS62371185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129πŸ‡¨πŸ‡­ AS62371176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129πŸ‡¨πŸ‡­ AS62371185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129πŸ‡«πŸ‡· AS62371185.205.70.0/24
PTRmailsec.protonmail.ch
TXTprotonmail-verification=f10a0122ac1219908ec64a8086a95d6bef6b335b
TXTv=spf1 include:_spf.protonmail.ch ~all
SOAcuritiba.ns.porkbun.comdns@cloudflare.com serial=2397797640

com

Same first word

DNS History

15 records (8 active, 7 former)

20162017201820192020202120222023202420252026NScuritiba.ns.porkbun.comfortaleza.ns.porkbun.commaceio.ns.porkbun.comsalvador.ns.porkbun.comns-cloud-b1.googledomains.comns-cloud-b2.googledomains.comns-cloud-b3.googledomains.comns-cloud-b4.googledomains.comMXmail.protonmail.chmailsec.protonmail.chinbound.postmarkapp.comA44.230.85.24152.33.207.765.110.88.1467.21.114.97
●NScuritiba.ns.porkbun.com2026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
●NSfortaleza.ns.porkbun.com2026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
●NSmaceio.ns.porkbun.com2026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
β—‹NSns-cloud-b1.googledomains.com2015-12-06 β†’ 2017-03-26 Β· 4 obs
● 2015-12-06 10:00:24
● 2017-03-26 15:55:18
β—‹ 2026-02-16 05:18:28
β—‹ 2026-03-24 21:19:46
β—‹NSns-cloud-b2.googledomains.com2015-12-06 β†’ 2017-03-26 Β· 4 obs
● 2015-12-06 10:00:24
● 2017-03-26 15:55:18
β—‹ 2026-02-16 05:18:28
β—‹ 2026-03-24 21:19:46
β—‹NSns-cloud-b3.googledomains.com2015-12-06 β†’ 2017-03-26 Β· 4 obs
● 2015-12-06 10:00:24
● 2017-03-26 15:55:18
β—‹ 2026-02-16 05:18:28
β—‹ 2026-03-24 21:19:46
β—‹NSns-cloud-b4.googledomains.com2015-12-06 β†’ 2017-03-26 Β· 4 obs
● 2015-12-06 10:00:24
● 2017-03-26 15:55:18
β—‹ 2026-02-16 05:18:28
β—‹ 2026-03-24 21:19:46
●NSsalvador.ns.porkbun.com2026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
β—‹MXinbound.postmarkapp.com2015-12-06 β†’ 2017-03-26 Β· 4 obs
● 2015-12-06 10:00:24
● 2017-03-26 15:55:18
β—‹ 2026-02-16 05:18:28
β—‹ 2026-03-24 21:19:46
●MXmail.protonmail.ch2026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
●MXmailsec.protonmail.ch2026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
●A44.230.85.2412026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
●A52.33.207.72026-02-16 β†’ 2026-03-24 Β· 3 obs
β—‹ 2017-03-26 15:55:18
● 2026-02-16 05:18:28
● 2026-03-24 21:19:46
β—‹A65.110.88.142015-12-06 β†’ 2016-08-11 Β· 4 obs
● 2015-12-06 10:00:24
● 2016-08-11 11:15:58
β—‹ 2017-03-26 15:55:18
β—‹ 2026-03-24 21:19:46
β—‹A67.21.114.972017-03-26 β†’ 2017-03-26 Β· 4 obs
β—‹ 2016-08-11 11:15:58
● 2017-03-26 15:55:18
β—‹ 2026-02-16 05:18:28
β—‹ 2026-03-24 21:19:46

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
steadfastmail.commaceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com8 records

βœ… Authoritative Response

Server:162.159.10.150

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for steadfastmail.com (unsigned zone)

⏱️ Timing

Total: 316ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A244.230.85.241, 52.33.207.7
NS4curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT2protonmail-verification=f10a0122ac121990, v=spf1 include:_spf.protonmail.ch ~all
SOA1curitiba.ns.porkbun.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

IP Addresses

steadfastmail.com points to two IPs: 44.230.85.241 and 52.33.207.7.

Other host names, for instance vesta.tel, russia-usa.com, kieratak.ca, hmmu.com and satur.io share IP numbers with steadfastmail.com.

Name Servers

steadfastmail.com is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

steadfastmail.com at least partially shares name servers with other domains such as merila.net, showthemhow.com, uxyogi.com, getinstride.com and reeskcapital.co.

Host names with two IP numbers:

curitiba.ns.porkbun.com points to 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37

fortaleza.ns.porkbun.com points to 2400:cb00:2049:1::a29f:88c and 162.159.8.140

maceio.ns.porkbun.com points to 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180

salvador.ns.porkbun.com points to 2400:cb00:2049:1::a29f:a96 and 162.159.10.150

Mail Servers

Two mail servers handle steadfastmail.com: mail.protonmail.ch and mailsec.protonmail.ch.

steadfastmail.com shares the same mail server setup as other domains, including tamerz.com, agentsteal.com, koabel.com, eric-meissner.com and coish.net.

steadfastmail.com shares mail servers with other domains at least in part, for instance printpoint.al, enone.net, warden.fr, taylorrhoads.com and theprobateman.com.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.