591cert.com - dns.ninja

`591cert.com`

DNSSEC	⚠️ Not signed
A	34.2.145.49^{🇺🇸 Google34.2.128.0/17}
		PTR	`49.145.2.34.bc.googleusercontent.com`
NS	`ns1.siteground.net` ⭐
		A	75.2.77.104^{🇺🇸 Amazon75.2.64.0/20}
			PTR	`ac4b097dbd0dd6307.awsglobalaccelerator.com`
NS	`ns2.siteground.net`
		A	99.83.229.113^{🇺🇸 Amazon99.83.224.0/20}
			PTR	`ac4b097dbd0dd6307.awsglobalaccelerator.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽⁹⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
MX	`mx.ym.163.com`⁽¹⁰⁾
TXT	`protonmail-verification=014fc5827d50a58a4d5bddd661fb5d36b8a959f7`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
TXT	`google-site-verification=BIdxBrBZ2Ipev-AD0F8vC1CyPbLII6mkGF37pL7Chh4`
SOA	`ns1.siteground.net`root@siteground.net serial=100707

`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=1782804381

Same first word

591cert.com

591cert.co

DNS History

14 records (6 active, 8 former)

○NSdns1.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

○NSdns2.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

●NSns1.siteground.net2026-05-18 → 2026-06-30 · 3 obs

○ 2018-05-12 06:39:38
● 2026-05-18 09:11:00
● 2026-06-30 07:47:40

●NSns2.siteground.net2026-05-18 → 2026-06-30 · 3 obs

○ 2018-05-12 06:39:38
● 2026-05-18 09:11:00
● 2026-06-30 07:47:40

○MXeforward1.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

○MXeforward2.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

○MXeforward3.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

○MXeforward4.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

○MXeforward5.registrar-servers.com2018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

●MXmail.protonmail.ch2026-05-18 → 2026-06-30 · 3 obs

○ 2018-05-12 06:39:38
● 2026-05-18 09:11:00
● 2026-06-30 07:47:40

●MXmailsec.protonmail.ch2026-05-18 → 2026-06-30 · 3 obs

○ 2018-05-12 06:39:38
● 2026-05-18 09:11:00
● 2026-06-30 07:47:40

●MXmx.ym.163.com2026-05-18 → 2026-06-30 · 3 obs

○ 2018-05-12 06:39:38
● 2026-05-18 09:11:00
● 2026-06-30 07:47:40

○A162.255.119.1502018-05-12 → 2018-05-12 · 3 obs

● 2018-05-12 06:39:38
○ 2026-05-18 09:11:00
○ 2026-06-30 07:47:40

●A34.2.145.492026-05-18 → 2026-06-30 · 3 obs

○ 2018-05-12 06:39:38
● 2026-05-18 09:11:00
● 2026-06-30 07:47:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
591cert.com	ns1.siteground.net, ns2.siteground.net	-

✅ Authoritative Response

Server:75.2.77.104

NS records: ns1.siteground.net, ns2.siteground.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 591cert.com (unsigned zone)

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.2.145.49`
NS	2	`ns2.siteground.net, ns1.siteground.net`
MX	3	`mail.protonmail.ch (pri: 8), mx.ym.163.com (pri: 10)...`
TXT	3	`protonmail-verification=014fc5827d50a58a, v=spf1 include:_spf.protonmail.ch ~all...`
SOA	1	`ns1.siteground.net root.siteground.net`

Analysis

IP Addresses

591cert.com has exactly one IP address — 34.2.145.49.

Other hosts including www.591lab.com, 591lab.com and 49.145.2.34.bc.googleusercontent.com share IP addresses with 591cert.com.

Name Servers

DNS delegation for 591cert.com points to two name servers: ns1.siteground.net and ns2.siteground.net.

The name server configuration of 591cert.com is shared with other domains, for instance gilp.it, 009studio.com, vgsdesigns.com and two others.

There is at least partial name server overlap between 591cert.com and other domains — macintoshhowto.com, gcuniforms.com.au, vars.at and two more among them.

ns1.siteground.net → 75.2.77.104 and ns2.siteground.net → 99.83.229.113: one IP number per host name.

Mail Servers

Incoming mail for 591cert.com is delivered via three mail servers: mail.protonmail.ch, mailsec.protonmail.ch and mx.ym.163.com.

At least some of the mail servers used by 591cert.com are shared with other domains: simmovate.com, captivatingmediagroup.com, laibobio.com and two others among them.

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.