theory.org - robtex.com

theory.org

DNSSEC🔒 Signed (DS record present)
A2600:3c01::2000:f4ff:fe98:c6df🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies ✓ In HTTPS hints
PTRshape.theory.org
A45.33.33.123🇺🇸 AKAMAI-LINODE-AP45.33.32.0/19 Akamai Technologies ✓ In HTTPS hints
NSanuj.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b41🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A2803:f800:50::6ca2:c141🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRanuj.ns.cloudflare.com
A2a06:98c1:50::ac40:2141🇺🇸 Cloudflare2a06:98c1:50::/45
PTRanuj.ns.cloudflare.com
A108.162.193.65🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A172.64.33.65🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
A173.245.59.65🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRanuj.ns.cloudflare.com
NSdahlia.ns.cloudflare.com
A2606:4700:50::adf5:3a59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A2803:f800:50::6ca2:c059🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdahlia.ns.cloudflare.com
A2a06:98c1:50::ac40:2059🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdahlia.ns.cloudflare.com
A108.162.192.89🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A172.64.32.89🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
A173.245.58.89🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdahlia.ns.cloudflare.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
TXTv=spf1 include:spf.messagingengine.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv445.33.33.123
IPv62600:3c01::2000:f4ff:fe98:c6df
SOAanuj.ns.cloudflare.comdns@cloudflare.com serial=2397465643

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736
rank #213642 globally
rank #16324 in the tld
🔒 HSTS Preload (+subdomains)
WOT: UNKNOWN (86/100)
📈 Tranco rank: #725,186

Previously MX for

theory.org
theory.sh

Subdomains

mobius.theory.org
in.theory.org
shape.theory.org
bucky.theory.org
ns1.theory.org
string.theory.org
ns105.theory.org
hostmaster.theory.org
group.theory.org
ns2.theory.org
cosmic.theory.org
www.theory.org

Same first word

theory.6g.in
theory.co
theory.pro
theory.co.uk
theory.at
theory.com
theory.co.at
theory.coffee
theory.to
theory.cn
theory.digital
theory.org.il
theory.us
theory.center
theory.sk
theory.eu
theory.co.jp
theory.synology.me
theory.org.uk
theory.agency
theory.network
theory.org
theory.mx
theory.es
theory.ne.jp
theory.pl
theory.com.tw
theory.ca
theory.sh
theory.clothing
theory.nl
theory.co.no
theory.asia
theory.se
theory.ru
theory.hu
theory.la
theory.it
theory.biz
theory.com.pl
theory.de
theory.tv
theory.net
theory.in
theory.awsapps.com
theory.mods.jp
theory.dk

Similar names

hoerty.de
heroty.com
hetroy.com
yerhot.org
othery.com
theroy.org
erytho.net
rothey.com
hotery.com.tw
thoery.com
eythor.net
hertoy.com
theroy.com
eythor.is
ethory.com
ryothe.hatenablog.com
hoyter.com
eythor.dev
hotyer.com
thorey.com
theroy.ca
theyor.com
thorey.de
thoyer.fr
hetroy.org
thoery.co.uk
orthey.com
eythor.com
orthey.eu
hotyre.com
yother.com
yerhot.com
theryo.com
tehyor.com.tw
tryeho.com
hoyter.net
tyhero.com
ethory.org

DNS History

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NSanuj.ns.cloudflare.comdahlia.ns.cloudflare.comns0.theory.orgns1.theory.orgns2.theory.orgMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comchaos.theory.shquantum.theory.shstring.theory.orgtheory.orgtheory.shA2600:3c01::2000:f4ff:fe98:c6df45.33.33.123170.75.162.15199.38.86.2022602:ffb6:2:0:f816:3eff:fe84:7cb22605:2700:0:3:a800:ff:fe77:3472605:3800:0:210:0:122:dead:c0de2605:3800:210:c:0:122:dead:c0de71.19.146.201
●NSanuj.ns.cloudflare.com2021-05-20 → 2026-03-05 · 3 obs
○ 2017-07-09 03:16:00
● 2021-05-20 03:59:06
● 2026-03-05 05:58:34
●NSdahlia.ns.cloudflare.com2021-05-20 → 2026-03-05 · 3 obs
○ 2017-07-09 03:16:00
● 2021-05-20 03:59:06
● 2026-03-05 05:58:34
○NSns0.theory.org2015-06-02 → 2017-07-09 · 4 obs
● 2015-06-02 19:03:12
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○NSns1.theory.org2015-06-02 → 2017-07-09 · 4 obs
● 2015-06-02 19:03:12
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○NSns2.theory.org2017-07-09 → 2017-07-09 · 4 obs
○ 2015-06-02 19:03:12
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○MXchaos.theory.sh2017-07-09 → 2017-07-09 · 4 obs
○ 2016-06-20 09:15:22
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
●MXin1-smtp.messagingengine.com2021-05-20 → 2026-03-05 · 3 obs
○ 2017-07-09 03:16:00
● 2021-05-20 03:59:06
● 2026-03-05 05:58:34
●MXin2-smtp.messagingengine.com2021-05-20 → 2026-03-05 · 3 obs
○ 2017-07-09 03:16:00
● 2021-05-20 03:59:06
● 2026-03-05 05:58:34
○MXquantum.theory.sh2017-07-09 → 2017-07-09 · 4 obs
○ 2016-06-20 09:15:22
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○MXstring.theory.org2017-07-09 → 2017-07-09 · 4 obs
○ 2016-06-20 09:15:22
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○MXtheory.org2015-06-02 → 2016-06-20 · 4 obs
● 2015-06-02 19:03:12
● 2016-06-20 09:15:22
○ 2017-07-09 03:16:00
○ 2026-03-05 05:58:34
○MXtheory.sh2015-06-02 → 2016-06-20 · 4 obs
● 2015-06-02 19:03:12
● 2016-06-20 09:15:22
○ 2017-07-09 03:16:00
○ 2026-03-05 05:58:34
○A170.75.162.152017-07-09 → 2017-07-09 · 4 obs
○ 2016-06-20 09:15:22
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○A199.38.86.2022015-06-02 → 2016-06-20 · 4 obs
● 2015-06-02 19:03:12
● 2016-06-20 09:15:22
○ 2017-07-09 03:16:00
○ 2026-03-05 05:58:34
●A2600:3c01::2000:f4ff:fe98:c6df2026-02-22 → 2026-03-05 · 3 obs
○ 2021-05-20 03:59:06
● 2026-02-22 06:54:06
● 2026-03-05 05:58:34
○A2602:ffb6:2:0:f816:3eff:fe84:7cb22017-07-09 → 2017-07-09 · 4 obs
○ 2016-06-20 09:15:22
● 2017-07-09 03:16:00
○ 2021-05-20 03:59:06
○ 2026-03-05 05:58:34
○A2605:2700:0:3:a800:ff:fe77:3472021-05-20 → 2021-05-20 · 4 obs
○ 2017-07-09 03:16:00
● 2021-05-20 03:59:06
○ 2026-02-22 06:54:06
○ 2026-03-05 05:58:34
○A2605:3800:0:210:0:122:dead:c0de2015-10-22 → 2016-06-20 · 5 obs
○ 2015-06-02 19:03:12
● 2015-10-22 00:51:02
● 2016-06-20 09:15:22
○ 2017-07-09 03:16:00
○ 2026-03-05 05:58:34
○A2605:3800:210:c:0:122:dead:c0de2015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 19:03:12
○ 2015-10-22 00:51:02
○ 2026-03-05 05:58:34
●A45.33.33.1232026-02-22 → 2026-03-05 · 3 obs
○ 2021-05-20 03:59:06
● 2026-02-22 06:54:06
● 2026-03-05 05:58:34
○A71.19.146.2012021-05-20 → 2021-05-20 · 4 obs
○ 2017-07-09 03:16:00
● 2021-05-20 03:59:06
○ 2026-02-22 06:54:06
○ 2026-03-05 05:58:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
theory.organuj.ns.cloudflare.com, dahlia.ns.cloudflare.com-

✅ Authoritative Response

Server: 172.64.32.89

NS records: anuj.ns.cloudflare.com, dahlia.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 976ms | Queries: -

📄 Records

TypeCountSample Data
A145.33.33.123
AAAA12600:3c01::2000:f4ff:fe98:c6df
NS2anuj.ns.cloudflare.com, dahlia.ns.cloudflare.com
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)
TXT1v=spf1 include:spf.messagingengine.com -
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1anuj.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

theory.org is a parent of mobius.theory.org, in.theory.org, shape.theory.org, bucky.theory.org, ns1.theory.org and a few other host names.

IP Addresses

theory.org resolves to two IP numbers: 2600:3c01::2000:f4ff:fe98:c6df and 45.33.33.123.

Other host names, for instance www.theory.org, glyphobet.net and shape.theory.org share IP numbers with theory.org.

Name Servers

Two name servers anuj.ns.cloudflare.com and dahlia.ns.cloudflare.com handle delegation for theory.org.

theory.org uses the same name server setup as other domains, for example seoauthoritygroup.com, betluckmak.com, aubay.online, brainsik.com and esolitos.com.

theory.org partially shares name servers with other domains; examples include yourchineseastrology.com, coruscant.es, kccbd.com, willkuerlich.com and experis.us.

These name servers commonly accompany sharon.ns.cloudflare.com, sullivan.ns.cloudflare.com, jaime.ns.cloudflare.com and boyd.ns.cloudflare.com.

Host names with six IP numbers: anuj.ns.cloudflare.com points to: 2606:4700:58::adf5:3b41, 2803:f800:50::6ca2:c141, 2a06:98c1:50::ac40:2141, 108.162.193.65, 172.64.33.65 and 173.245.59.65; dahlia.ns.cloudflare.com points to: 2606:4700:50::adf5:3a59, 2803:f800:50::6ca2:c059, 2a06:98c1:50::ac40:2059, 108.162.192.89, 172.64.32.89 and 173.245.58.89.

Mail Servers

theory.org is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

theory.org has the same mail server setup as other domains, including jazer.com, dierks.dk, streamofhealing.com, summit-servers.com and killerboo.com.

Host names with eight IP numbers:

The host name in1-smtp.messagingengine.com points to 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Host names with four IP numbers:

The host name in2-smtp.messagingengine.com points to 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.