`21988s.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:bcae^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4c35^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.53^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.174^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`devin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c31^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c331^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`devin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2331^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`devin.ns.cloudflare.com`
		A	108.162.195.49^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
		A	162.159.44.49^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
		A	172.64.35.49^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`devin.ns.cloudflare.com`
NS	`melissa.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ac7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melissa.ns.cloudflare.com`
		A	108.162.192.199^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	172.64.32.199^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
		A	173.245.58.199^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melissa.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.53, 172.67.188.174
		IPv6 hints	2606:4700:3033::ac43:bcae, 2606:4700:3036::6815:4c35
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com
SOA	`devin.ns.cloudflare.com`dns@cloudflare.com serial=2410933568

`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=1785506722

⚠️ On DNS blocklist: tif

Same first word

21988s.com

Similar names

12889s.com

DNS History

10 records (6 active, 4 former)

●NSdevin.ns.cloudflare.com2026-07-28 → 2026-07-31 · 2 obs

● 2026-07-28 08:46:20
● 2026-07-31 14:30:48

●NSmelissa.ns.cloudflare.com2026-07-28 → 2026-07-31 · 2 obs

● 2026-07-28 08:46:20
● 2026-07-31 14:30:48

●A104.21.76.532026-07-30 → 2026-07-31 · 3 obs

○ 2026-07-28 08:46:20
● 2026-07-30 01:04:08
● 2026-07-31 14:30:48

●A172.67.188.1742026-07-30 → 2026-07-31 · 3 obs

○ 2026-07-28 08:46:20
● 2026-07-30 01:04:08
● 2026-07-31 14:30:48

○A188.114.96.02026-07-28 → 2026-07-28 · 3 obs

● 2026-07-28 08:46:20
○ 2026-07-30 01:04:08
○ 2026-07-31 14:30:48

○A188.114.97.02026-07-28 → 2026-07-28 · 3 obs

● 2026-07-28 08:46:20
○ 2026-07-30 01:04:08
○ 2026-07-31 14:30:48

●A2606:4700:3033::ac43:bcae2026-07-30 → 2026-07-31 · 3 obs

○ 2026-07-28 08:46:20
● 2026-07-30 01:04:08
● 2026-07-31 14:30:48

●A2606:4700:3036::6815:4c352026-07-30 → 2026-07-31 · 3 obs

○ 2026-07-28 08:46:20
● 2026-07-30 01:04:08
● 2026-07-31 14:30:48

○A2a06:98c1:3120::2026-07-28 → 2026-07-28 · 3 obs

● 2026-07-28 08:46:20
○ 2026-07-30 01:04:08
○ 2026-07-31 14:30:48

○A2a06:98c1:3121::2026-07-28 → 2026-07-28 · 3 obs

● 2026-07-28 08:46:20
○ 2026-07-30 01:04:08
○ 2026-07-31 14:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
21988s.com	melissa.ns.cloudflare.com, devin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.49

NS records: melissa.ns.cloudflare.com, devin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21988s.com (unsigned zone)

⏱️ Timing

Total: 118ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.76.53, 172.67.188.174`
AAAA	2	`2606:4700:3036::6815:4c35, 2606:4700:3033::ac43:bcae`
NS	2	`devin.ns.cloudflare.com, melissa.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`devin.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

21988s.com points to the four IP addresses 104.21.76.53, 172.67.188.174, 2606:4700:3033::ac43:bcae and 2606:4700:3036::6815:4c35.

crossgeared.com, is-group.cz, studenttorget.no and two other host names share IP numbers with 21988s.com.

Name Servers

Two name servers handle the delegation for 21988s.com: devin.ns.cloudflare.com and melissa.ns.cloudflare.com.

21988s.com uses the same name servers as several other domains — among them hhxcy.com, 76599n.com, 21991s.com and two more.

At least some of 21988s.com's name servers are shared with other domains, for example sogecon.com, sckyhq.com, alxsistogel.club and two more.

These name servers tend to be deployed in combination with the name servers opal.ns.cloudflare.com and tiffany.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

devin.ns.cloudflare.com resolves to 108.162.195.49, 162.159.44.49 and 172.64.35.49 among others, with 3 other IP addresses in total.

melissa.ns.cloudflare.com resolves to 108.162.192.199, 172.64.32.199 and 173.245.58.199 among others, with 3 other IP addresses in total.

21988s.com - robtex.com

21988s.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`21988s.com`

`com`