mail.btdev.org - dns.ninja

mail.btdev.org

DNSSEC⚠️ Not signed
A2600:3c04::f03c:93ff:fedf:b89🇨🇦 AKAMAI-LINODE-AP2600:3c04::/32 Akamai Technologies
PTRmail.btdev.org
A172.105.104.244🇨🇦 AKAMAI-LINODE-AP172.105.96.0/20
MXmail.btdev.org ⭐
A2600:3c04::f03c:93ff:fedf:b89🇨🇦 AKAMAI-LINODE-AP2600:3c04::/32 Akamai Technologies
PTRmail.btdev.org
A172.105.104.244🇨🇦 AKAMAI-LINODE-AP172.105.96.0/20
PTRmail.btdev.org
TXTv=spf1 mx -all

btdev.org

DNSSEC🔒 Signed (DS record present)
A2606:4700:3032::ac43:8b04🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:2e7e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.126Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.4🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoby.ns.cloudflare.com ⭐
NSolga.ns.cloudflare.com
MXmail.btdev.org ⭐
TXT2wwsn0uavkm7e9l6gebzhqmww87ozqxk
TXTgoogle-site-verification=APBH5wA0B53n9o-wpEB89bFOpUzrnBD9D_YuPVU92qE
TXTkeybase-site-verification=q42CUaaQPY_zWpCUeLL7-dY4ZaSniX5lqmw8hpd0S1E
TXTv=spf1 mx -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.126, 172.67.139.4
IPv6 hints2606:4700:3032::ac43:8b04, 2606:4700:3036::6815:2e7e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOAcoby.ns.cloudflare.comdns@cloudflare.com serial=2410259196

PTR for

9.8.b.0.f.d.e.f.f.f.3.9.c.3.0.f.0.0.0.0.0.0.0.0.4.0.c.3.0.0.6.2.ip6.arpa
244.104.105.172.in-addr.arpa

MX for

btdev.org
mail.btdev.org
brianturchyn.net

Same first word

mail.bambina.jp
mail.hu.net
mail.whitesnow.jp
mail.se
mail.keymachine.de
mail.gd
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mail.csx.cc
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mail.host
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mail.sb
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mail.collegefan.org
mail.com.cn
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mail.kiev.ua
mail.mydns.tw
mail.report
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mail.blogspot.com
mail.gob.bo
mail.dnsfor.me
mail.dix.asia
mail.gov.nr
mail.sg
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mail.camp
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mail.pink
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mail.guide
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mail.info
mail.simplesite.com
mail.gw
mail.tv
mail.jellybean.jp
mail.eg
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mail.gouv.sn
mail.gov.la
mail.sub.jp

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alim.it
ialm.org
mail.gov.bn
mail.mmafan.biz
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mali.ru
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ilma.edu.gh
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DNS History

5 records (3 active, 2 former)

2020202120222023202420252026MXmail.btdev.orgA172.105.104.2442600:3c04::f03c:93ff:fedf:b89159.203.25.2522604:a880:cad:d0::c2e:1
●MXmail.btdev.org2026-03-23 → 2026-07-30 · 2 obs
● 2026-03-23 23:10:32
● 2026-07-30 19:17:14
○A159.203.25.2522019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 11:05:44
○ 2026-03-23 23:10:32
○ 2026-07-30 19:17:14
●A172.105.104.2442026-03-23 → 2026-07-30 · 3 obs
○ 2019-12-19 11:05:44
● 2026-03-23 23:10:32
● 2026-07-30 19:17:14
●A2600:3c04::f03c:93ff:fedf:b892026-03-23 → 2026-07-30 · 3 obs
○ 2019-12-19 11:05:44
● 2026-03-23 23:10:32
● 2026-07-30 19:17:14
○A2604:a880:cad:d0::c2e:12019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 11:05:44
○ 2026-03-23 23:10:32
○ 2026-07-30 19:17:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
btdev.orgcoby.ns.cloudflare.com, olga.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.92

NS records: coby.ns.cloudflare.com, olga.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

TypeCountSample Data
A1172.105.104.244
AAAA12600:3c04::f03c:93ff:fedf:b89
MX1mail.btdev.org (pri: 10)
TXT1v=spf1 mx -all

Analysis

Mail Server Role

Mail for btdev.org, mail.btdev.org and brianturchyn.net is handled by mail.btdev.org.

IP Addresses

mail.btdev.org resolves to the IP addresses 172.105.104.244 and 2600:3c04::f03c:93ff:fedf:b89

Mail Servers

mail.btdev.org uses exactly one mail server, which is mail.btdev.org.

The mail server configuration of mail.btdev.org is identical to that of other domains, for example btdev.org and brianturchyn.net.

The host mail.btdev.org resolves to 172.105.104.244 and 2600:3c04::f03c:93ff:fedf:b89 — two IP addresses.