`certstudio.com`

DNSSEC	⚠️ Not signed
A	157.245.43.13^{🇬🇧 DIGITALOCEAN157.245.32.0/20 DigitalOcean}
NS	`dns1.registrar-servers.com` ⭐
		A	2610:a1:1024::200^{🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200^{🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=DyiOWKwyaAJs710A`
TXT	`v=spf1 include:icloud.com ~all`
TXT	`google-site-verification=2V5Au241oI11JK7n5F0QRTBoU1q_69wS2x2u8tLvm2Y`
SOA	`dns1.registrar-servers.com`hostmaster@registrar-servers.com serial=1769346274

`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=1771291435

Same first word

certstudio.com

Similar names

teductrios.com

trecstudio.ru

destructio.com

editorscut.com

directsuto.com

sucdetroit.org

tricotesud.fr

DNS History

12 records (5 active, 7 former)

●NSdns1.registrar-servers.com2026-02-26 → 2026-03-23 · 3 obs

○ 2019-03-22 19:50:30
● 2026-02-26 02:12:48
● 2026-03-23 19:39:00

●NSdns2.registrar-servers.com2026-02-26 → 2026-03-23 · 3 obs

○ 2019-03-22 19:50:30
● 2026-02-26 02:12:48
● 2026-03-23 19:39:00

○NSns1.digitalocean.com2015-07-06 → 2017-02-13 · 4 obs

● 2015-07-06 18:13:24
● 2017-02-13 13:14:14
○ 2019-03-22 19:50:30
○ 2026-03-23 19:39:00

○NSns2.digitalocean.com2015-07-06 → 2017-02-13 · 4 obs

● 2015-07-06 18:13:24
● 2017-02-13 13:14:14
○ 2019-03-22 19:50:30
○ 2026-03-23 19:39:00

○NSns3.digitalocean.com2015-07-06 → 2017-02-13 · 4 obs

● 2015-07-06 18:13:24
● 2017-02-13 13:14:14
○ 2019-03-22 19:50:30
○ 2026-03-23 19:39:00

○NSnsg1.namebrightdns.com2019-03-22 → 2019-03-22 · 4 obs

○ 2017-02-13 13:14:14
● 2019-03-22 19:50:30
○ 2026-02-26 02:12:48
○ 2026-03-23 19:39:00

○NSnsg2.namebrightdns.com2019-03-22 → 2019-03-22 · 4 obs

○ 2017-02-13 13:14:14
● 2019-03-22 19:50:30
○ 2026-02-26 02:12:48
○ 2026-03-23 19:39:00

●MXmx01.mail.icloud.com2026-02-26 → 2026-03-23 · 2 obs

● 2026-02-26 02:12:48
● 2026-03-23 19:39:00

●MXmx02.mail.icloud.com2026-02-26 → 2026-03-23 · 2 obs

● 2026-02-26 02:12:48
● 2026-03-23 19:39:00

●A157.245.43.132026-02-26 → 2026-03-23 · 3 obs

○ 2019-03-22 19:50:30
● 2026-02-26 02:12:48
● 2026-03-23 19:39:00

○A37.139.16.1422015-07-06 → 2017-02-13 · 4 obs

● 2015-07-06 18:13:24
● 2017-02-13 13:14:14
○ 2019-03-22 19:50:30
○ 2026-03-23 19:39:00

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-03-22 → 2019-03-22 · 3 obs

● 2019-03-22 19:50:30
○ 2026-02-26 02:12:48
○ 2026-03-23 19:39:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
certstudio.com	dns1.registrar-servers.com, dns2.registrar-servers.com	4 records

✅ Authoritative Response

Server:156.154.133.200

NS records: dns1.registrar-servers.com, dns2.registrar-servers.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certstudio.com (unsigned zone)

⏱️ Timing

Total: 348ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.245.43.13`
NS	2	`dns1.registrar-servers.com, dns2.registrar-servers.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=DyiOWKwyaAJs710A, v=spf1 include:icloud.com ~all...`
SOA	1	`dns1.registrar-servers.com hostmaster.re`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns1.registrar-servers.com, dns1.registrar-servers.com, dns2.registrar-servers.com...)

Analysis

IP Addresses

certstudio.com points to IP number 157.245.43.13.

Name Servers

certstudio.com is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.

certstudio.com uses the same name server setup as other domains such as vetmid.com, mjrapley.com, affordablearts.co.uk, isoecol.com and differencebetween.co.uk.

certstudio.com shares name servers with other domains at least partially, for instance stamets.tv and moone.org.

Host names with two IP numbers:

dns1.registrar-servers.com points to 2610:a1:1024::200 and 156.154.132.200; dns2.registrar-servers.com points to 2610:a1:1025::200 and 156.154.133.200.

Mail Servers

Two mail servers mx01.mail.icloud.com and mx02.mail.icloud.com handle certstudio.com.

certstudio.com shares the same mail server setup as other domains, for instance ekstrom.tv, fimis.de, exceed-logic.com, mullerover.com and philippdumke.net.