nstutor.com - robtex.com

nstutor.com

DNSSEC⚠️ Not signed
NSmaria.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ac0πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaria.ns.cloudflare.com
A2803:f800:50::6ca2:c0c0πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmaria.ns.cloudflare.com
A2a06:98c1:50::ac40:20c0πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRmaria.ns.cloudflare.com
A108.162.192.192πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaria.ns.cloudflare.com
A172.64.32.192πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaria.ns.cloudflare.com
A173.245.58.192πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmaria.ns.cloudflare.com
NStrey.ns.cloudflare.com
A2606:4700:58::adf5:3bf2πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtrey.ns.cloudflare.com
A2803:f800:50::6ca2:c1f2πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtrey.ns.cloudflare.com
A2a06:98c1:50::ac40:21f2πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRtrey.ns.cloudflare.com
A108.162.193.242πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtrey.ns.cloudflare.com
A172.64.33.242πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtrey.ns.cloudflare.com
A173.245.59.242πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtrey.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c07::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0:4004::/48
PTRbc-in-f27.1e100.net
A192.178.155.27πŸ‡ΊπŸ‡Έ Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26πŸ‡ΊπŸ‡Έ Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27πŸ‡ΊπŸ‡Έ Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1bπŸ‡¬πŸ‡§ Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26πŸ‡ΊπŸ‡Έ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1bπŸ‡§πŸ‡ͺ Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26πŸ‡ΊπŸ‡Έ Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=3PBVIEcWGyDh9KFjFH_Qd69kQd99-lhcFdbo-hTCo9c
TXTgoogle-site-verification=uSG5KRb13joEOkXW6Bw8jj7fBViQGlk86SPqYyPNCW0
TXTv=spf1 include:_spf.google.com -all
SOAmaria.ns.cloudflare.comdns@cloudflare.com serial=2397237583

com

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSmaria.ns.cloudflare.comtrey.ns.cloudflare.comns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA208.68.36.61
●NSmaria.ns.cloudflare.com2026-02-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2019-12-27 19:31:20
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
β—‹NSns1.digitalocean.com2015-06-20 β†’ 2017-02-17 Β· 4 obs
● 2015-06-20 17:35:44
● 2017-02-17 20:18:54
β—‹ 2019-12-27 19:31:20
β—‹ 2026-04-13 16:44:36
β—‹NSns2.digitalocean.com2015-06-20 β†’ 2017-02-17 Β· 4 obs
● 2015-06-20 17:35:44
● 2017-02-17 20:18:54
β—‹ 2019-12-27 19:31:20
β—‹ 2026-04-13 16:44:36
β—‹NSns3.digitalocean.com2015-06-20 β†’ 2017-02-17 Β· 4 obs
● 2015-06-20 17:35:44
● 2017-02-17 20:18:54
β—‹ 2019-12-27 19:31:20
β—‹ 2026-04-13 16:44:36
●NStrey.ns.cloudflare.com2026-02-26 β†’ 2026-04-13 Β· 3 obs
β—‹ 2019-12-27 19:31:20
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
●MXalt1.aspmx.l.google.com2026-02-26 β†’ 2026-04-13 Β· 2 obs
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
●MXalt2.aspmx.l.google.com2026-02-26 β†’ 2026-04-13 Β· 2 obs
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
●MXalt3.aspmx.l.google.com2026-02-26 β†’ 2026-04-13 Β· 2 obs
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
●MXalt4.aspmx.l.google.com2026-02-26 β†’ 2026-04-13 Β· 2 obs
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
●MXaspmx.l.google.com2026-02-26 β†’ 2026-04-13 Β· 2 obs
● 2026-02-26 15:22:02
● 2026-04-13 16:44:36
β—‹A208.68.36.612015-06-20 β†’ 2017-02-17 Β· 4 obs
● 2015-06-20 17:35:44
● 2017-02-17 20:18:54
β—‹ 2019-12-27 19:31:20
β—‹ 2026-04-13 16:44:36

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...-
nstutor.comtrey.ns.cloudflare.com, maria.ns.cloudflare.com12 records

βœ… Authoritative Response

Server:108.162.192.192

NS records: trey.ns.cloudflare.com, maria.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nstutor.com (unsigned zone)

⏱️ Timing

Total: 194ms | Queries: -

πŸ“„ Records

TypeCountSample Data
NS2maria.ns.cloudflare.com, trey.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT3google-site-verification=3PBVIEcWGyDh9KF, google-site-verification=uSG5KRb13joEOkX...
SOA1maria.ns.cloudflare.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (trey.ns.cloudflare.com, trey.ns.cloudflare.com, trey.ns.cloudflare.com...)

Analysis

Name Servers

nstutor.com has two name servers: maria.ns.cloudflare.com and trey.ns.cloudflare.com.

nstutor.com shares the same name server setup as other domains, for example themommyrundown.com, compricare.com, mare-x.com, pryvatenow.com and educacionadventista.cl.

nstutor.com shares some name servers with other domains, for example 034095.com, flygo.reviews, semantiko.com, limassolfitness.com and zelisca-cvetka.si.

Host names with six IP numbers: maria.ns.cloudflare.com points to: 2606:4700:50::adf5:3ac0, 2803:f800:50::6ca2:c0c0, 2a06:98c1:50::ac40:20c0, 108.162.192.192, 172.64.32.192 and 173.245.58.192; trey.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf2, 2803:f800:50::6ca2:c1f2, 2a06:98c1:50::ac40:21f2, 108.162.193.242, 172.64.33.242 and 173.245.59.242.

Mail Servers

nstutor.com 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.

nstutor.com shares some mail servers with other domains, at least partially; for instance ns500698.ns500759.ns500759.ns500759.ns500758.ns500735.ns500698.ns500698.ns500698.ns500698.ns500698.ns500708.ns500619.ns500686.ns500619.ns500576.trackreceptor.com, ns500731.ns500754.ns500671.ns500754.ns500688.ns500704.ns500688.ns500705.ns500688.ns500671.ns500678.ns500142.lusty(0x736c7574)z.com, ns500731.ns500671.ns500742.ns500754.ns500754.ns500731.ns500742.ns500671.ns500688.ns500671.ns500671.ns500671.ns500291.ns500666.ns500142.lusty(0x736c7574)z.com, ns500768.ns500758.ns500758.ns500735.ns500698.ns500736.ns500736.ns500735.ns500576.ns500708.ns500708.ns500698.ns500619.ns500652.ns500576.trackreceptor.com and ns500754.ns500742.ns500742.ns500671.ns500754.ns500671.ns500742.ns500671.ns500731.ns500678.ns500671.ns500671.ns500291.ns500291.ns500291.ns500131.lustychickser.com.

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

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c07::1b and 192.178.155.27.

Host alt1.aspmx.l.google.com has IPs 2607:f8b0:4023:2801::1b and 192.178.128.26.

Host alt2.aspmx.l.google.com has IPs 2607:f8b0:4023:1015::1a and 172.253.135.27.

Host alt3.aspmx.l.google.com has IPs 2a00:1450:4009:c0f::1b and 192.178.223.26.

Host alt4.aspmx.l.google.com has IPs 2a00:1450:400c:c00::1b and 173.194.76.26.