sdmathcircle.org - robtex.com

sdmathcircle.org

DNSSEC⚠️ Not signed
A64.71.35.69🇺🇸 AFFINITY64.71.32.0/21 Hostway Customers
NSa.dns.hostway.net ⭐
A64.41.112.10🇺🇸 AHNET64.41.112.0/24 Proxy Addition
PTRa.dns.hostway.net
NSb.dns.hostway.net
A64.41.114.10🇺🇸 AHNET64.41.114.0/24 Proxy Addition
PTRb.dns.hostway.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2a00:1450:4025:402::1a🇳🇱 Google2a00:1450:4025::/48
PTRrb-in-f26.1e100.net
A142.250.102.26🇺🇸 Google142.250.102.0/24
PTRrb-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:4025:c01::1b🇵🇱 Google2a00:1450:4025::/48
PTRrd-in-f27.1e100.net
A142.250.147.27🇺🇸 Google142.250.147.0/24
PTRrd-in-f27.1e100.net
TXTgoogle-site-verification=5hzt-TyWNiaq0ez03COmMnv5i0OUbDo6bfnQTMyRkdg
TXTv=spf1 include:mfg.siteprotect.com ~all
SOAa.dns.hostway.nethostmaster@sdmathcircle.org 2025-08-02 #3

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=1774675718
WOT: SAFE (76/100)

Same first word

sdmathcircle.org

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSa.dns.hostway.netb.dns.hostway.netns1.lnhi.netns2.lnhi.netns3.lnhi.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail80.safesecureweb.comA64.71.35.6965.36.196.36
●NSa.dns.hostway.net2026-03-27 → 2026-03-28 · 3 obs
○ 2017-01-01 15:44:12
● 2026-03-27 08:34:58
● 2026-03-28 06:00:28
●NSb.dns.hostway.net2026-03-27 → 2026-03-28 · 3 obs
○ 2017-01-01 15:44:12
● 2026-03-27 08:34:58
● 2026-03-28 06:00:28
○NSns1.lnhi.net2015-06-25 → 2017-01-01 · 4 obs
● 2015-06-25 16:47:48
● 2017-01-01 15:44:12
○ 2026-03-27 08:34:58
○ 2026-03-28 06:00:28
○NSns2.lnhi.net2015-06-25 → 2017-01-01 · 4 obs
● 2015-06-25 16:47:48
● 2017-01-01 15:44:12
○ 2026-03-27 08:34:58
○ 2026-03-28 06:00:28
○NSns3.lnhi.net2015-06-25 → 2017-01-01 · 4 obs
● 2015-06-25 16:47:48
● 2017-01-01 15:44:12
○ 2026-03-27 08:34:58
○ 2026-03-28 06:00:28
●MXalt1.aspmx.l.google.com2015-11-22 → 2026-03-28 · 3 obs
○ 2015-06-25 16:47:48
● 2015-11-22 03:09:00
● 2026-03-28 06:00:28
●MXalt2.aspmx.l.google.com2015-11-22 → 2026-03-28 · 3 obs
○ 2015-06-25 16:47:48
● 2015-11-22 03:09:00
● 2026-03-28 06:00:28
●MXalt3.aspmx.l.google.com2015-11-22 → 2026-03-28 · 3 obs
○ 2015-06-25 16:47:48
● 2015-11-22 03:09:00
● 2026-03-28 06:00:28
●MXalt4.aspmx.l.google.com2015-11-22 → 2026-03-28 · 3 obs
○ 2015-06-25 16:47:48
● 2015-11-22 03:09:00
● 2026-03-28 06:00:28
●MXaspmx.l.google.com2015-11-22 → 2026-03-28 · 3 obs
○ 2015-06-25 16:47:48
● 2015-11-22 03:09:00
● 2026-03-28 06:00:28
○MXmail80.safesecureweb.com2015-06-25 → 2015-06-25 · 3 obs
● 2015-06-25 16:47:48
○ 2015-11-22 03:09:00
○ 2026-03-28 06:00:28
●A64.71.35.692026-03-27 → 2026-03-28 · 3 obs
○ 2017-01-01 15:44:12
● 2026-03-27 08:34:58
● 2026-03-28 06:00:28
○A65.36.196.362015-06-25 → 2017-01-01 · 4 obs
● 2015-06-25 16:47:48
● 2017-01-01 15:44:12
○ 2026-03-27 08:34:58
○ 2026-03-28 06:00:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
sdmathcircle.orga.dns.hostway.net, b.dns.hostway.net-

✅ Authoritative Response

Server:64.41.112.10

NS records: a.dns.hostway.net, b.dns.hostway.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdmathcircle.org (unsigned zone)

⏱️ Timing

Total: 861ms | Queries: -

📄 Records

TypeCountSample Data
A164.71.35.69
NS2a.dns.hostway.net, b.dns.hostway.net
MX5ALT2.ASPMX.L.GOOGLE.COM (pri: 5), ALT4.ASPMX.L.GOOGLE.COM (pri: 10)...
TXT2google-site-verification=5hzt-TyWNiaq0ez, v=spf1 include:mfg.siteprotect.com ~all
SOA1a.dns.hostway.net hostmaster.sdmathcircl

Analysis

IP Addresses

sdmathcircle.org resolves to one IP number: 64.71.35.69.

other host names including stevekhan.com, burkeenterprises.net, hablocks.com, mseg.biz and iconartproduction.com share IP numbers with sdmathcircle.org.

Name Servers

sdmathcircle.org is delegated to two name servers a.dns.hostway.net and b.dns.hostway.net.

sdmathcircle.org shares the same name server setup as other domains, for instance swmf.com, northberwickgolfclub.com, ochoymedionet.siteprotect.net, 157.113.66.in-addr.arpa and electronicconcepts.net.

sdmathcircle.org at least partially shares name servers with other domains, for instance strangetones.com, jwmarco.com, extrao.com, billgraffenius.com and matthewbarney.com.

These name servers are commonly used alongside ns.siteprotect.com, ns2.siteprotect.com, adns.cs.siteprotect.com, bdns.cs.siteprotect.com, a.dns.siteprotect.com and b.dns.siteprotect.com.

Host names with one IP number:

a.dns.hostway.net points to 64.41.112.10

b.dns.hostway.net points to 64.41.114.10

Mail Servers

sdmathcircle.org is handled by five mail servers: 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.

sdmathcircle.org shares some mail servers with other domains, at least partially, for instance inhcc.net, flinkthink.ch, ns500841.ns500795.ns500794.ns500821.ns500795.ns500794.ns500821.ns500794.ns500795.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, studiocmarketing.com and mhealt.com.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c06::1a and 74.125.137.26

alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.26

alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26

alt3.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.26

alt4.aspmx.l.google.com points to 2a00:1450:4025:c01::1b and 142.250.147.27