masterthescience.org - robtex.com

masterthescience.org

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:5669🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:d9d9🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.105Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.217.217🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmaeve.ns.cloudflare.com ⭐
A2606:4700:50::a29f:262d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaeve.ns.cloudflare.com
A2803:f800:50::6ca2:c22d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmaeve.ns.cloudflare.com
A2a06:98c1:50::ac40:222d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmaeve.ns.cloudflare.com
A108.162.194.45🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaeve.ns.cloudflare.com
A162.159.38.45Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaeve.ns.cloudflare.com
A172.64.34.45🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaeve.ns.cloudflare.com
NSpete.ns.cloudflare.com
A2606:4700:58::adf5:3b88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
A2803:f800:50::6ca2:c188🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpete.ns.cloudflare.com
A2a06:98c1:50::ac40:2188🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpete.ns.cloudflare.com
A108.162.193.136🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
A172.64.33.136🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
A173.245.59.136🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
MX_dc-mx.85a84bc3844a.masterthescience.org ⭐
A172.96.187.189🇺🇸 SINGLEHOP172.96.187.0/24
PTR189.187.96.172.static.reverse.arandomserver.com
TXTv=spf1 ip4:172.96.186.142 include:_spf.arandomserver.com +a +mx ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.86.105, 172.67.217.217
IPv62606:4700:3034::6815:5669, 2606:4700:3034::ac43:d9d9
SOAmaeve.ns.cloudflare.comdns@cloudflare.com serial=2396965859

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=1774454523

Previously MX for

masterthescience.org

Subdomains

cpcalendars.masterthescience.org
autodiscover.masterthescience.org

Same first word

masterthescience.org

DNS History

20 records (7 active, 13 former)

20162017201820192020202120222023202420252026NSmaeve.ns.cloudflare.compete.ns.cloudflare.comns1.commonmx.comns1.hawkhost.comns2.commonmx.comns2.hawkhost.comsk.s7.ans1.ns147.klczy.comsk.s7.ans2.ns147.klczy.comMX_dc-mx.85a84bc3844a.masterthescience.orgmail.b-io.comasterthescience.orgA104.21.86.105172.67.217.2172606:4700:3034::6815:56692606:4700:3034::ac43:d9d9141.8.225.226172.96.187.189208.91.196.15246.166.182.53PTRsk.s7.ans1.ns147.klczy.com
●NSmaeve.ns.cloudflare.com2026-03-23 → 2026-03-25 · 3 obs
○ 2017-11-03 16:35:32
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
○NSns1.commonmx.com2016-04-22 → 2016-04-22 · 4 obs
○ 2015-12-20 15:00:28
● 2016-04-22 00:38:28
○ 2016-12-31 21:21:12
○ 2026-03-25 16:08:52
○NSns1.hawkhost.com2026-03-23 → 2026-03-25 · 2 obs
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
○NSns2.commonmx.com2016-04-22 → 2016-04-22 · 4 obs
○ 2015-12-20 15:00:28
● 2016-04-22 00:38:28
○ 2016-12-31 21:21:12
○ 2026-03-25 16:08:52
○NSns2.hawkhost.com2026-03-23 → 2026-03-25 · 2 obs
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
●NSpete.ns.cloudflare.com2026-03-23 → 2026-03-25 · 3 obs
○ 2017-11-03 16:35:32
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
○NSsk.s7.ans1.ns147.klczy.com2015-05-25 → 2017-11-03 · 7 obs
● 2015-05-25 02:16:44
● 2015-12-20 15:00:28
○ 2016-04-22 00:38:28
● 2016-12-31 21:21:12
● 2017-11-03 16:35:32
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
○NSsk.s7.ans2.ns147.klczy.com2015-05-25 → 2017-11-03 · 7 obs
● 2015-05-25 02:16:44
● 2015-12-20 15:00:28
○ 2016-04-22 00:38:28
● 2016-12-31 21:21:12
● 2017-11-03 16:35:32
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
●MX_dc-mx.85a84bc3844a.masterthescience.org2026-03-23 → 2026-03-25 · 3 obs
○ 2015-10-19 12:05:36
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
○MXmail.b-io.co2015-05-25 → 2015-05-25 · 3 obs
● 2015-05-25 02:16:44
○ 2015-10-19 12:05:36
○ 2026-03-25 16:08:52
○MXmasterthescience.org2026-03-23 → 2026-03-25 · 2 obs
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
●A104.21.86.1052026-03-23 → 2026-03-25 · 3 obs
○ 2017-11-03 16:35:32
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
○A141.8.225.2262015-05-25 → 2016-12-31 · 6 obs
● 2015-05-25 02:16:44
● 2015-12-20 15:00:28
○ 2016-04-22 00:38:28
● 2016-12-31 21:21:12
○ 2017-11-03 16:35:32
○ 2026-03-25 16:08:52
●A172.67.217.2172026-03-23 → 2026-03-25 · 3 obs
○ 2017-11-03 16:35:32
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
○A172.96.187.1892026-03-23 → 2026-03-25 · 2 obs
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
○A208.91.196.1522017-11-03 → 2017-11-03 · 4 obs
○ 2016-12-31 21:21:12
● 2017-11-03 16:35:32
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52
●A2606:4700:3034::6815:56692026-03-23 → 2026-03-25 · 3 obs
○ 2017-11-03 16:35:32
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
●A2606:4700:3034::ac43:d9d92026-03-23 → 2026-03-25 · 3 obs
○ 2017-11-03 16:35:32
● 2026-03-23 18:31:44
● 2026-03-25 16:08:52
○A46.166.182.532016-04-22 → 2016-04-22 · 4 obs
○ 2015-12-20 15:00:28
● 2016-04-22 00:38:28
○ 2016-12-31 21:21:12
○ 2026-03-25 16:08:52
○PTRsk.s7.ans1.ns147.klczy.com2016-12-31 → 2017-11-03 · 4 obs
● 2016-12-31 21:21:12
● 2017-11-03 16:35:32
○ 2026-03-23 18:31:44
○ 2026-03-25 16:08:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
masterthescience.orgmaeve.ns.cloudflare.com, pete.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.45

NS records: maeve.ns.cloudflare.com, pete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterthescience.org (unsigned zone)

⏱️ Timing

Total: 234ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.86.105, 172.67.217.217
AAAA22606:4700:3034::ac43:d9d9, 2606:4700:3034::6815:5669
NS2maeve.ns.cloudflare.com, pete.ns.cloudflare.com
MX1_dc-mx.85a84bc3844a.masterthescience.org
TXT1v=spf1 ip4:172.96.186.142 include:_spf.a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1maeve.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

masterthescience.org is a parent of cpcalendars.masterthescience.org and autodiscover.masterthescience.org.

IP Addresses

masterthescience.org maps to four IP numbers: 2606:4700:3034::6815:5669, 2606:4700:3034::ac43:d9d9, 104.21.86.105 and 172.67.217.217.

Other host names, for instance www.adeko.mobi, cpcalendars.masterthescience.org, szdbzs.com, yuraki.com and coinbml.com share IP numbers with masterthescience.org.

Name Servers

Two name servers maeve.ns.cloudflare.com and pete.ns.cloudflare.com handle delegation for masterthescience.org.

masterthescience.org uses the same name server setup as other domains, for example edwardsvilleonline.com, popcph.com, isupport-boulerice.org, petersonwinecellars.com and cinemechanica.com.

masterthescience.org partially shares name servers with other domains; examples include boswellfamily.com, worldbit.com, ermotorpompa.com, patronlardunyasi.com and alcard.kr.

Host names with six IP numbers: maeve.ns.cloudflare.com points to: 2606:4700:50::a29f:262d, 2803:f800:50::6ca2:c22d, 2a06:98c1:50::ac40:222d, 108.162.194.45, 162.159.38.45 and 172.64.34.45; pete.ns.cloudflare.com points to: 2606:4700:58::adf5:3b88, 2803:f800:50::6ca2:c188, 2a06:98c1:50::ac40:2188, 108.162.193.136, 172.64.33.136 and 173.245.59.136.

Mail Servers

masterthescience.org is handled by a single mail server, _dc-mx.85a84bc3844a.masterthescience.org.

_dc-mx.85a84bc3844a.masterthescience.org points to a single IP: 172.96.187.189.