smartmathtutor.com - dns.ninja

`smartmathtutor.com`

DNSSEC	⚠️ Not signed
A	108.139.47.81^{🇺🇸 Amazon108.139.44.0/22}
		PTR	`server-108-139-47-81.jfk50.r.cloudfront.net`
A	108.139.47.82^{🇺🇸 Amazon108.139.44.0/22}
A	108.139.47.86^{🇺🇸 Amazon108.139.44.0/22}
A	108.139.47.109^{🇺🇸 Amazon108.139.44.0/22}
NS	`ns20.digicertdns.com` ⭐
		A	2600:1800:10::1:1f^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
		A	208.94.148.223^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
NS	`ns10.dnsmadeeasy.com`
		A	2600:1800:10::1^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
		A	208.94.148.4^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
NS	`ns11.dnsmadeeasy.com`
		A	2600:1801:11::1^{🇺🇸 Tiggee2600:1801:11::/48 DNS Made Easy anycast network}
			PTR	`ns11.dnsmadeeasy.com`
		A	208.80.124.4^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns11.dnsmadeeasy.com`
NS	`ns12.dnsmadeeasy.com`
		A	2600:1802:12::1^{🇺🇸 Tiggee2600:1802:12::/48 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
		A	208.80.126.4^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
NS	`ns13.dnsmadeeasy.com`
		A	2600:1801:13::1^{🇺🇸 Tiggee2600:1801:13::/48 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
		A	208.80.125.4^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
NS	`ns14.dnsmadeeasy.com`
		A	2600:1802:14::1^{🇺🇸 Tiggee2600:1802:14::/48 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
		A	208.80.127.4^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
NS	`ns15.dnsmadeeasy.com`
		A	2600:1800:15::1^{🇺🇸 Tiggee2600:1800:15::/48 DNS Made Easy anycast network}
			PTR	`ns15.dnsmadeeasy.com`
		A	208.94.149.4^{🇺🇸 Tiggee208.94.149.0/24 DNS Made Easy anycast network}
			PTR	`ns15.dnsmadeeasy.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c07::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
SOA	`ns20.digicertdns.com`dns@digicertdns.com serial=2009143920

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785580152

Subdomains

www.smartmathtutor.com

Same first word

smartmathtutor.com

DNS History

25 records (16 active, 9 former)

●NSns10.dnsmadeeasy.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●NSns11.dnsmadeeasy.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●NSns12.dnsmadeeasy.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●NSns13.dnsmadeeasy.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●NSns14.dnsmadeeasy.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●NSns15.dnsmadeeasy.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●NSns20.digicertdns.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

○NSns57.1and1.com2015-08-03 → 2016-07-05 · 4 obs

● 2015-08-03 15:46:08
● 2016-07-05 07:03:12
○ 2017-02-18 22:54:06
○ 2026-08-01 10:54:58

○NSns58.1and1.com2015-08-03 → 2016-07-05 · 4 obs

● 2015-08-03 15:46:08
● 2016-07-05 07:03:12
○ 2017-02-18 22:54:06
○ 2026-08-01 10:54:58

●MXalt1.aspmx.l.google.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●MXalt2.aspmx.l.google.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●MXaspmx.l.google.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●MXaspmx2.googlemail.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

●MXaspmx3.googlemail.com2026-02-15 → 2026-08-01 · 3 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-08-01 10:54:58

○MXmx00.1and1.com2015-08-03 → 2016-07-05 · 4 obs

● 2015-08-03 15:46:08
● 2016-07-05 07:03:12
○ 2017-02-18 22:54:06
○ 2026-08-01 10:54:58

○MXmx01.1and1.com2015-08-03 → 2016-07-05 · 4 obs

● 2015-08-03 15:46:08
● 2016-07-05 07:03:12
○ 2017-02-18 22:54:06
○ 2026-08-01 10:54:58

●A108.139.47.1092026-03-18 → 2026-08-01 · 19 obs

○ 2026-03-17 18:01:40
● 2026-03-18 21:26:38
○ 2026-03-20 23:36:40
○ 2026-04-01 16:35:34
● 2026-04-03 18:51:58
○ 2026-04-04 02:08:22
○ 2026-04-14 11:32:34
● 2026-04-14 21:07:34
● 2026-04-16 07:58:24
○ 2026-04-17 19:33:54
○ 2026-04-22 09:41:30
● 2026-04-22 23:43:00
○ 2026-04-23 19:31:00
○ 2026-05-28 22:33:00
● 2026-05-29 17:43:50
○ 2026-06-01 16:15:20
○ 2026-06-13 23:26:10
● 2026-06-14 22:35:10
● 2026-08-01 10:54:58

●A108.139.47.812026-03-18 → 2026-08-01 · 19 obs

●A108.139.47.822026-03-18 → 2026-08-01 · 19 obs

●A108.139.47.862026-03-18 → 2026-08-01 · 19 obs

○A116.92.6.102015-08-03 → 2016-07-05 · 4 obs

● 2015-08-03 15:46:08
● 2016-07-05 07:03:12
○ 2017-02-18 22:54:06
○ 2026-08-01 10:54:58

○A3.171.61.1062026-02-15 → 2026-06-13 · 21 obs

○ 2017-02-18 22:54:06
● 2026-02-15 03:53:46
● 2026-03-17 18:01:40
○ 2026-03-18 21:26:38
● 2026-03-20 23:36:40
● 2026-04-01 16:35:34
○ 2026-04-03 18:51:58
● 2026-04-04 02:08:22
● 2026-04-14 11:32:34
○ 2026-04-14 21:07:34
○ 2026-04-16 07:58:24
● 2026-04-17 19:33:54
● 2026-04-22 09:41:30
○ 2026-04-22 23:43:00
● 2026-04-23 19:31:00
● 2026-05-28 22:33:00
○ 2026-05-29 17:43:50
● 2026-06-01 16:15:20
● 2026-06-13 23:26:10
○ 2026-06-14 22:35:10
○ 2026-08-01 10:54:58

○A3.171.61.232026-02-15 → 2026-06-13 · 21 obs

○A3.171.61.292026-02-15 → 2026-06-13 · 21 obs

○A3.171.61.632026-02-15 → 2026-06-13 · 21 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
smartmathtutor.com	ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com, ns12.dnsmadeeasy.com, ns13.dnsmadeeasy.com...	12 records

✅ Authoritative Response

Server:208.94.149.4

NS records: ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com, ns12.dnsmadeeasy.com, ns13.dnsmadeeasy.com, ns14.dnsmadeeasy.com, ns15.dnsmadeeasy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartmathtutor.com (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`108.139.47.82, 108.139.47.109...`
NS	6	`ns13.dnsmadeeasy.com, ns14.dnsmadeeasy.com...`
MX	5	`alt1.aspmx.l.google.com (pri: 5), aspmx3.googlemail.com (pri: 10)...`
SOA	1	`ns20.digicertdns.com dns.digicertdns.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns10.dnsmadeeasy.com, ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com...)

Analysis

Hierarchy

The domain www.smartmathtutor.com falls under the parent smartmathtutor.com.

IP Addresses

smartmathtutor.com points to the four IP addresses 108.139.47.81, 108.139.47.82, 108.139.47.86 and 108.139.47.109.

Additional host names — modocarts.com, fivecrm.com, phoenix-payments.com and two others — share IP numbers with smartmathtutor.com.

Name Servers

DNS for smartmathtutor.com is handled by 7 name servers: ns20.digicertdns.com, ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com and 4 others.

At least some of smartmathtutor.com's name servers are shared with other domains, for example schnaderlaw.com, 1over0.com, its-dv.com and two more.

These name servers tend to co-occur with ns12.dnsmadeeasy.com, ns13.dnsmadeeasy.com, ns14.dnsmadeeasy.com and 6 other name servers in the same DNS delegations.

Host names with two IP numbers:

ns20.digicertdns.com has two IP addresses: 208.94.148.223 and 2600:1800:10::1:1f.

ns10.dnsmadeeasy.com has two IP addresses: 208.94.148.4 and 2600:1800:10::1.

ns11.dnsmadeeasy.com has two IP addresses: 208.80.124.4 and 2600:1801:11::1.

ns12.dnsmadeeasy.com has two IP addresses: 208.80.126.4 and 2600:1802:12::1.

ns13.dnsmadeeasy.com has two IP addresses: 208.80.125.4 and 2600:1801:13::1.

ns14.dnsmadeeasy.com has two IP addresses: 208.80.127.4 and 2600:1802:14::1.

ns15.dnsmadeeasy.com has two IP addresses: 208.94.149.4 and 2600:1800:15::1.

Mail Servers

smartmathtutor.com has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

smartmathtutor.com shares mail servers — at least in part — with other domains, including nailevo.com, ns500754.ns500671.ns500671.ns500671.ns500731.ns500671.ns500678.ns500678.ns500705.ns500671.ns500671.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500699.ns500693.ns500699.ns500699.ns500693.ns500734.ns500693.ns500699.ns500699.ns500699.ns500699.ns500699.ns500588.ns500588.ns500588.ns500588.ns500588.dtrkdll.com and two others.

These mail servers are frequently used alongside mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com has two IP addresses: 192.178.155.27 and 2607:f8b0:4004:c07::1b.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

Host names pointing to 2800:3f0:4003:c0f::1b IP addresses: aspmx2.googlemail.com and alt1.aspmx.l.google.com.

Host names pointing to 172.253.116.27 IP addresses: aspmx3.googlemail.com and alt2.aspmx.l.google.com.