sd81.org - robtex.com

sd81.org

DNSSEC⚠️ Not signed
A107.20.149.85🇺🇸 Amazon107.20.0.0/16 EC2 Prefix
PTRec2-107-20-149-85.compute-1.amazonaws.com
NSmax.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b84🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmax.ns.cloudflare.com
A2803:f800:50::6ca2:c184🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmax.ns.cloudflare.com
A2a06:98c1:50::ac40:2184🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmax.ns.cloudflare.com
A108.162.193.132🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmax.ns.cloudflare.com
A172.64.33.132🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmax.ns.cloudflare.com
A173.245.59.132🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmax.ns.cloudflare.com
NSzoe.ns.cloudflare.com
A2606:4700:50::adf5:3a95🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
A2803:f800:50::6ca2:c095🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzoe.ns.cloudflare.com
A2a06:98c1:50::ac40:2095🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzoe.ns.cloudflare.com
A108.162.192.149🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
A172.64.32.149🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
A173.245.58.149🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzoe.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTMS=37A291C8B8B1802F4DE42743A0779CAE5F1757D5
TXTapple-domain-verification=loKcqsCj2Oa1agmf
TXTv=spf1 mx mx:sd81.org include:_spf.google.com include:customerspf.schoolmesse...
SOAmax.ns.cloudflare.comdns@cloudflare.com serial=2396862172

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=1773551953

Same first word

sd81.bc.ca
sd81.org

Similar names

18ds.com
d18s.com
ds18.com
sd18.ru
ds18.de
ds81.de
81sd.com
sd18.com

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSmax.ns.cloudflare.comzoe.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comfilter.sd81.orgA107.20.149.85104.25.20.20104.25.21.20162.159.242.106162.159.243.1062400:cb00:2048:1::6819:14142400:cb00:2048:1::6819:15142400:cb00:2048:1::a29f:f26a2400:cb00:2048:1::a29f:f36a
●NSmax.ns.cloudflare.com2015-08-05 → 2026-03-15 · 2 obs
● 2015-08-05 02:40:50
● 2026-03-15 11:21:36
●NSzoe.ns.cloudflare.com2015-08-05 → 2026-03-15 · 2 obs
● 2015-08-05 02:40:50
● 2026-03-15 11:21:36
●MXalt1.aspmx.l.google.com2026-02-18 → 2026-03-15 · 3 obs
○ 2016-12-18 09:06:26
● 2026-02-18 05:12:34
● 2026-03-15 11:21:36
●MXalt2.aspmx.l.google.com2026-02-18 → 2026-03-15 · 3 obs
○ 2016-12-18 09:06:26
● 2026-02-18 05:12:34
● 2026-03-15 11:21:36
●MXalt3.aspmx.l.google.com2026-02-18 → 2026-03-15 · 3 obs
○ 2016-12-18 09:06:26
● 2026-02-18 05:12:34
● 2026-03-15 11:21:36
●MXalt4.aspmx.l.google.com2026-02-18 → 2026-03-15 · 3 obs
○ 2016-12-18 09:06:26
● 2026-02-18 05:12:34
● 2026-03-15 11:21:36
●MXaspmx.l.google.com2026-02-18 → 2026-03-15 · 3 obs
○ 2016-12-18 09:06:26
● 2026-02-18 05:12:34
● 2026-03-15 11:21:36
○MXfilter.sd81.org2015-08-05 → 2016-12-18 · 4 obs
● 2015-08-05 02:40:50
● 2016-12-18 09:06:26
○ 2026-02-18 05:12:34
○ 2026-03-15 11:21:36
○A104.25.20.202015-11-26 → 2016-12-18 · 5 obs
○ 2015-08-05 02:40:50
● 2015-11-26 19:21:04
● 2016-12-18 09:06:26
○ 2026-02-18 05:12:34
○ 2026-03-15 11:21:36
○A104.25.21.202015-11-26 → 2016-12-18 · 5 obs
○ 2015-08-05 02:40:50
● 2015-11-26 19:21:04
● 2016-12-18 09:06:26
○ 2026-02-18 05:12:34
○ 2026-03-15 11:21:36
●A107.20.149.852026-02-18 → 2026-03-15 · 3 obs
○ 2016-12-18 09:06:26
● 2026-02-18 05:12:34
● 2026-03-15 11:21:36
○A162.159.242.1062015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 02:40:50
○ 2015-11-26 19:21:04
○ 2026-03-15 11:21:36
○A162.159.243.1062015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 02:40:50
○ 2015-11-26 19:21:04
○ 2026-03-15 11:21:36
○A2400:cb00:2048:1::6819:14142015-11-26 → 2016-12-18 · 5 obs
○ 2015-08-05 02:40:50
● 2015-11-26 19:21:04
● 2016-12-18 09:06:26
○ 2026-02-18 05:12:34
○ 2026-03-15 11:21:36
○A2400:cb00:2048:1::6819:15142015-11-26 → 2016-12-18 · 5 obs
○ 2015-08-05 02:40:50
● 2015-11-26 19:21:04
● 2016-12-18 09:06:26
○ 2026-02-18 05:12:34
○ 2026-03-15 11:21:36
○A2400:cb00:2048:1::a29f:f26a2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 02:40:50
○ 2015-11-26 19:21:04
○ 2026-03-15 11:21:36
○A2400:cb00:2048:1::a29f:f36a2015-08-05 → 2015-08-05 · 3 obs
● 2015-08-05 02:40:50
○ 2015-11-26 19:21:04
○ 2026-03-15 11:21:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
sd81.orgmax.ns.cloudflare.com, zoe.ns.cloudflare.com-

✅ Authoritative Response

Server: 173.245.58.149

NS records: max.ns.cloudflare.com, zoe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sd81.org (unsigned zone)

⏱️ Timing

Total: 455ms | Queries: -

📄 Records

TypeCountSample Data
A1107.20.149.85
NS2max.ns.cloudflare.com, zoe.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3MS=37A291C8B8B1802F4DE42743A0779CAE5F175, apple-domain-verification=loKcqsCj2Oa1ag...
SOA1max.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

sd81.org points to a single IP: 107.20.149.85.

Other host names, for instance taracdd.org, ec2-107-20-149-85.compute-1.amazonaws.com, mccardinals.org, fieldlocalschools.org and incoming.canoncityschools.org share IP numbers with sd81.org.

Name Servers

sd81.org's delegation is to two name servers max.ns.cloudflare.com and zoe.ns.cloudflare.com.

sd81.org shares the same name server configuration as other domains, such as elwoodschool.com, theroamingboomers.com, uttarakhandonline.eu.org, sancarlosbraves.org and hana-api.com.

sd81.org at least partially shares its name servers with other domains, for instance e-dach.pl, agadmadrid.com, applaunion.com, classia.co.uk and rmkinjurylaw.com.

These name servers are commonly used alongside aiden.ns.cloudflare.com and elisa.ns.cloudflare.com.

Host names with six IP numbers:

max.ns.cloudflare.com points to: 2606:4700:58::adf5:3b84, 2803:f800:50::6ca2:c184, 2a06:98c1:50::ac40:2184, 108.162.193.132, 172.64.33.132 and 173.245.59.132.

zoe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a95, 2803:f800:50::6ca2:c095, 2a06:98c1:50::ac40:2095, 108.162.192.149, 172.64.32.149 and 173.245.58.149.

Mail Servers

Five mail servers handle sd81.org: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

sd81.org shares some mail servers with other domains, including ns500742.ns500671.ns500731.ns500731.ns500671.ns500705.ns500705.ns500705.ns500678.ns500688.ns500666.ns500131.lustychickser.com, ns500698.ns500759.ns500698.ns500735.ns500736.ns500698.ns500735.ns500698.ns500708.ns500708.ns500708.trackreceptor.com, ns500794.ns500794.ns500821.ns500821.ns500794.ns500821.ns500794.ns500821.ns500795.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, devmedia.de and gangsterparadiseapp.com.

These mail servers are commonly used alongside the mail servers aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.