51isoft.com - dns.ninja

`51isoft.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:8540^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:55d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.93^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.133.64^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`iris.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c076^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`iris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2076^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`iris.ns.cloudflare.com`
		A	108.162.192.118^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	172.64.32.118^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	173.245.58.118^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		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`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		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`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx4.googlemail.com`⁽³⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`v=spf1 include:aspmx.googlemail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.93, 172.67.133.64
		IPv6 hints	2606:4700:3034::ac43:8540, 2606:4700:3035::6815:55d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=33, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2409959757

`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=1785084147

Same first word

51isoft.com

DNS History

23 records (13 active, 10 former)

●NSbob.ns.cloudflare.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●NSiris.ns.cloudflare.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXalt1.aspmx.l.google.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXalt2.aspmx.l.google.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXaspmx.l.google.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXaspmx2.googlemail.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXaspmx3.googlemail.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXaspmx4.googlemail.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●MXaspmx5.googlemail.com2015-08-05 → 2026-07-26 · 2 obs

● 2015-08-05 18:07:38
● 2026-07-26 16:59:06

●A104.21.5.932026-02-26 → 2026-07-26 · 8 obs

○ 2017-04-02 12:01:02
● 2026-02-26 18:35:18
● 2026-05-07 20:48:46
○ 2026-05-12 07:18:46
● 2026-05-29 12:25:56
○ 2026-06-19 19:15:56
● 2026-07-01 00:02:12
● 2026-07-26 16:59:06

○A104.28.10.842015-08-05 → 2017-04-02 · 4 obs

● 2015-08-05 18:07:38
● 2017-04-02 12:01:02
○ 2026-02-26 18:35:18
○ 2026-07-26 16:59:06

○A104.28.11.842015-08-05 → 2017-04-02 · 4 obs

● 2015-08-05 18:07:38
● 2017-04-02 12:01:02
○ 2026-02-26 18:35:18
○ 2026-07-26 16:59:06

●A172.67.133.642026-02-26 → 2026-07-26 · 8 obs

○ 2017-04-02 12:01:02
● 2026-02-26 18:35:18
● 2026-05-07 20:48:46
○ 2026-05-12 07:18:46
● 2026-05-29 12:25:56
○ 2026-06-19 19:15:56
● 2026-07-01 00:02:12
● 2026-07-26 16:59:06

○A188.114.96.02026-05-12 → 2026-06-19 · 6 obs

○ 2026-05-07 20:48:46
● 2026-05-12 07:18:46
○ 2026-05-29 12:25:56
● 2026-06-19 19:15:56
○ 2026-07-01 00:02:12
○ 2026-07-26 16:59:06

○A188.114.97.02026-05-12 → 2026-06-19 · 6 obs

○ 2026-05-07 20:48:46
● 2026-05-12 07:18:46
○ 2026-05-29 12:25:56
● 2026-06-19 19:15:56
○ 2026-07-01 00:02:12
○ 2026-07-26 16:59:06

○A2400:cb00:2048:1::681c:a542017-04-02 → 2017-04-02 · 4 obs

○ 2015-08-05 18:07:38
● 2017-04-02 12:01:02
○ 2026-02-26 18:35:18
○ 2026-07-26 16:59:06

○A2400:cb00:2048:1::681c:b542017-04-02 → 2017-04-02 · 4 obs

○ 2015-08-05 18:07:38
● 2017-04-02 12:01:02
○ 2026-02-26 18:35:18
○ 2026-07-26 16:59:06

○A2606:4700:3031::6815:55d2026-02-26 → 2026-07-01 · 9 obs

○ 2017-04-02 12:01:02
● 2026-02-26 18:35:18
● 2026-05-07 20:48:46
○ 2026-05-12 07:18:46
● 2026-05-29 12:25:56
○ 2026-06-19 19:15:56
● 2026-07-01 00:02:12
○ 2026-07-26 16:59:04
○ 2026-07-26 16:59:06

○A2606:4700:3033::ac43:85402026-02-26 → 2026-07-01 · 9 obs

●A2606:4700:3034::ac43:85402026-07-26 → 2026-07-26 · 3 obs

○ 2026-07-01 00:02:12
● 2026-07-26 16:59:04
● 2026-07-26 16:59:06

●A2606:4700:3035::6815:55d2026-07-26 → 2026-07-26 · 3 obs

○ 2026-07-01 00:02:12
● 2026-07-26 16:59:04
● 2026-07-26 16:59:06

○A2a06:98c1:3120::2026-05-12 → 2026-06-19 · 6 obs

○ 2026-05-07 20:48:46
● 2026-05-12 07:18:46
○ 2026-05-29 12:25:56
● 2026-06-19 19:15:56
○ 2026-07-01 00:02:12
○ 2026-07-26 16:59:06

○A2a06:98c1:3121::2026-05-12 → 2026-06-19 · 6 obs

○ 2026-05-07 20:48:46
● 2026-05-12 07:18:46
○ 2026-05-29 12:25:56
● 2026-06-19 19:15:56
○ 2026-07-01 00:02:12
○ 2026-07-26 16:59:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51isoft.com	bob.ns.cloudflare.com, iris.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.118

NS records: bob.ns.cloudflare.com, iris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51isoft.com (unsigned zone)

⏱️ Timing

Total: 480ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.133.64, 104.21.5.93`
AAAA	2	`2606:4700:3035::6815:55d, 2606:4700:3034::ac43:8540`
NS	2	`bob.ns.cloudflare.com, iris.ns.cloudflare.com`
MX	7	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
TXT	1	`v=spf1 include:aspmx.googlemail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51isoft.com directs to four IP numbers, which are 104.21.5.93, 172.67.133.64, 2606:4700:3034::ac43:8540 and 2606:4700:3035::6815:55d.

Among the host names that share IP numbers with 51isoft.com are connect.yamibo.top, apply-influ.com, rencontre-ephemere.com and two others.

Name Servers

The NS records for 51isoft.com delegate to bob.ns.cloudflare.com and iris.ns.cloudflare.com.

51isoft.com has the same name server delegation as a number of other domains, such as vaginacontest.com, citla.com.mx, droseortho.com and two more.

At least some of 51isoft.com's name servers are shared with other domains, for example iconreg.com, georgehampe.com, tomorrows.codes and two more.

Host names resolving to 6 IP numbers:

bob.ns.cloudflare.com maps to 108.162.193.104, 172.64.33.104, 173.245.59.104 and 3 additional IP addresses.

iris.ns.cloudflare.com maps to 108.162.192.118, 172.64.32.118, 173.245.58.118 and 3 additional IP addresses.

Mail Servers

51isoft.com uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

51isoft.com shares at least some of its mail servers with other domains — for example louismetric.com, domesticviolenceexpert.net, waterhome.es and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1b.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for aspmx4.googlemail.com return 192.178.223.26 and 2a00:1450:4009:c0f::1b.

The A records for aspmx5.googlemail.com return 172.253.157.27 and 2a00:1450:400c:c23::1a.

The A records for aspmx.l.google.com return 172.253.115.27 and 2607:f8b0:4004:c08::1b.

The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1b IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 2a00:1450:400b:c02::1b IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.