`51smsmodem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:9b82^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:590d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.13^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.130^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`byron.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c343^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`byron.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2343^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`byron.ns.cloudflare.com`
		A	108.162.195.67^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	162.159.44.67^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
		A	172.64.35.67^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`byron.ns.cloudflare.com`
NS	`journey.ns.cloudflare.com`
		A	2606:4700:50::a29f:2603^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c203^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`journey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2203^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`journey.ns.cloudflare.com`
		A	108.162.194.3^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
		A	162.159.38.3^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
		A	172.64.34.3^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`journey.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.13, 172.67.155.130
		IPv6 hints	2606:4700:3030::ac43:9b82, 2606:4700:3035::6815:590d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOA	`byron.ns.cloudflare.com`dns@cloudflare.com serial=2410453219

`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=1785338087

Same first word

51smsmodem.com

DNS History

20 records (6 active, 14 former)

●NSbyron.ns.cloudflare.com2026-07-27 → 2026-07-29 · 3 obs

○ 2017-06-03 09:58:50
● 2026-07-27 23:28:34
● 2026-07-29 15:27:46

●NSjourney.ns.cloudflare.com2026-07-27 → 2026-07-29 · 3 obs

○ 2017-06-03 09:58:50
● 2026-07-27 23:28:34
● 2026-07-29 15:27:46

○NSns1.dns-diy.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 10:43:00
○ 2015-06-26 23:19:14
○ 2026-07-29 15:27:46

○NSns1626.ztomy.com2017-06-03 → 2017-06-03 · 4 obs

○ 2015-11-04 17:04:26
● 2017-06-03 09:58:50
○ 2026-07-27 23:28:34
○ 2026-07-29 15:27:46

○NSns2.dns-diy.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 10:43:00
○ 2015-06-26 23:19:14
○ 2026-07-29 15:27:46

○NSns2626.ztomy.com2017-06-03 → 2017-06-03 · 4 obs

○ 2015-11-04 17:04:26
● 2017-06-03 09:58:50
○ 2026-07-27 23:28:34
○ 2026-07-29 15:27:46

○NSrcdo554610.earth.orderbox-dns.com2015-06-26 → 2015-06-26 · 4 obs

○ 2008-03-17 10:43:00
● 2015-06-26 23:19:14
○ 2015-11-04 17:04:26
○ 2026-07-29 15:27:46

○NSrcdo554610.mars.orderbox-dns.com2015-06-26 → 2015-06-26 · 4 obs

○ 2008-03-17 10:43:00
● 2015-06-26 23:19:14
○ 2015-11-04 17:04:26
○ 2026-07-29 15:27:46

○NSrcdo554610.mercury.orderbox-dns.com2015-06-26 → 2015-06-26 · 4 obs

○ 2008-03-17 10:43:00
● 2015-06-26 23:19:14
○ 2015-11-04 17:04:26
○ 2026-07-29 15:27:46

○NSrcdo554610.venus.orderbox-dns.com2015-06-26 → 2015-06-26 · 4 obs

○ 2008-03-17 10:43:00
● 2015-06-26 23:19:14
○ 2015-11-04 17:04:26
○ 2026-07-29 15:27:46

●A104.21.89.132026-07-27 → 2026-07-29 · 3 obs

○ 2017-06-03 09:58:50
● 2026-07-27 23:28:34
● 2026-07-29 15:27:46

○A108.186.84.2112015-06-26 → 2015-06-26 · 4 obs

○ 2008-03-17 10:43:00
● 2015-06-26 23:19:14
○ 2015-11-04 17:04:26
○ 2026-07-29 15:27:46

○A123.60.73.1672016-01-25 → 2016-04-14 · 5 obs

○ 2015-11-04 17:04:26
● 2016-01-25 21:52:38
● 2016-04-14 21:11:12
○ 2016-11-26 14:10:24
○ 2026-07-29 15:27:46

●A172.67.155.1302026-07-27 → 2026-07-29 · 3 obs

○ 2017-06-03 09:58:50
● 2026-07-27 23:28:34
● 2026-07-29 15:27:46

○A192.151.238.1502016-11-26 → 2016-11-26 · 4 obs

○ 2016-04-14 21:11:12
● 2016-11-26 14:10:24
○ 2017-06-03 09:58:50
○ 2026-07-29 15:27:46

○A204.11.56.482017-06-03 → 2017-06-03 · 4 obs

○ 2016-11-26 14:10:24
● 2017-06-03 09:58:50
○ 2026-07-27 23:28:34
○ 2026-07-29 15:27:46

○A210.51.187.752008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 10:43:00
○ 2015-06-26 23:19:14
○ 2026-07-29 15:27:46

●A2606:4700:3030::ac43:9b822026-07-27 → 2026-07-29 · 3 obs

○ 2017-06-03 09:58:50
● 2026-07-27 23:28:34
● 2026-07-29 15:27:46

●A2606:4700:3035::6815:590d2026-07-27 → 2026-07-29 · 3 obs

○ 2017-06-03 09:58:50
● 2026-07-27 23:28:34
● 2026-07-29 15:27:46

○PTRns1626.ztomy.com2017-06-03 → 2017-06-03 · 3 obs

● 2017-06-03 09:58:50
○ 2026-07-27 23:28:34
○ 2026-07-29 15:27:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51smsmodem.com	journey.ns.cloudflare.com, byron.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.67

NS records: journey.ns.cloudflare.com, byron.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.130, 104.21.89.13`
AAAA	2	`2606:4700:3035::6815:590d, 2606:4700:3030::ac43:9b82`
NS	2	`byron.ns.cloudflare.com, journey.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`byron.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

51smsmodem.com directs to four IP numbers, which are 104.21.89.13, 172.67.155.130, 2606:4700:3030::ac43:9b82 and 2606:4700:3035::6815:590d.

quickmailing.co.uk, teethzone.com, hackdiversity.com and two other host names share IP numbers with 51smsmodem.com.

Name Servers

51smsmodem.com uses two name servers for its delegation: byron.ns.cloudflare.com and journey.ns.cloudflare.com.

51smsmodem.com uses the same name servers as several other domains — among them mdcnum.top, c20vg.top, bbdwmc.watch and two more.

There is at least partial name server overlap between 51smsmodem.com and other domains — erichaskellgroup.com, innovases.com, itlandes.com and two more among them.

These name servers are routinely deployed together with the name servers amy.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

Hostname byron.ns.cloudflare.com directs to 108.162.195.67, 162.159.44.67 and 172.64.35.67 along with 3 other IP addresses.

Hostname journey.ns.cloudflare.com directs to 108.162.194.3, 162.159.38.3 and 172.64.34.3 along with 3 other IP addresses.

51smsmodem.com - robtex.com

51smsmodem.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`51smsmodem.com`

`com`