`1a21.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:d90f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:2360^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.96^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.15^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`greg.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c173^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`greg.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2173^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`greg.ns.cloudflare.com`
		A	108.162.193.115^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	172.64.33.115^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
		A	173.245.59.115^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`greg.ns.cloudflare.com`
NS	`kay.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kay.ns.cloudflare.com`
		A	108.162.192.125^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	172.64.32.125^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
		A	173.245.58.125^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kay.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.96, 172.67.217.15
		IPv6 hints	2606:4700:3032::ac43:d90f, 2606:4700:3033::6815:2360
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=74, name=cloudflare-ech.com
SOA	`greg.ns.cloudflare.com`dns@cloudflare.com serial=2410473966

`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=1785381327

Same first word

1a21.com

Similar names

11a2.xyz

121a.com

121a.cn

121a.de

112a.com

a112.eu

21a1.com

1a12.com

211a.com

a121.info

a121.it

a121.com

211a.cn

a112.sbs

121a.co.uk

121a.net

a121.biz

a121.ru

a112.ru

a112.dk

a112.jp

11a2.nl

1a12.ch

a121.cc

2a11.com

a121.eu

a112.com

a112.de

12a1.shop

DNS History

15 records (6 active, 9 former)

●NSgreg.ns.cloudflare.com2026-07-11 → 2026-07-30 · 3 obs

○ 2017-12-28 10:07:08
● 2026-07-11 04:26:56
● 2026-07-30 03:32:06

●NSkay.ns.cloudflare.com2026-07-11 → 2026-07-30 · 3 obs

○ 2017-12-28 10:07:08
● 2026-07-11 04:26:56
● 2026-07-30 03:32:06

○NSns51.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:11:22
○ 2017-12-28 10:07:08
○ 2026-07-30 03:32:06

○NSns52.domaincontrol.com2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:11:22
○ 2017-12-28 10:07:08
○ 2026-07-30 03:32:06

○MXmailstore1.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:11:22
○ 2017-12-28 10:07:08
○ 2026-07-30 03:32:06

○MXsmtp.secureserver.net2017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:11:22
○ 2017-12-28 10:07:08
○ 2026-07-30 03:32:06

●A104.21.35.962026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-11 04:26:56
● 2026-07-30 03:32:04
● 2026-07-30 03:32:06

●A172.67.217.152026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-11 04:26:56
● 2026-07-30 03:32:04
● 2026-07-30 03:32:06

○A188.114.96.02026-07-11 → 2026-07-11 · 4 obs

○ 2017-12-28 10:07:08
● 2026-07-11 04:26:56
○ 2026-07-30 03:32:04
○ 2026-07-30 03:32:06

○A188.114.97.02026-07-11 → 2026-07-11 · 4 obs

○ 2017-12-28 10:07:08
● 2026-07-11 04:26:56
○ 2026-07-30 03:32:04
○ 2026-07-30 03:32:06

●A2606:4700:3032::ac43:d90f2026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-11 04:26:56
● 2026-07-30 03:32:04
● 2026-07-30 03:32:06

●A2606:4700:3033::6815:23602026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-11 04:26:56
● 2026-07-30 03:32:04
● 2026-07-30 03:32:06

○A2a06:98c1:3120::2026-07-11 → 2026-07-11 · 4 obs

○ 2017-12-28 10:07:08
● 2026-07-11 04:26:56
○ 2026-07-30 03:32:04
○ 2026-07-30 03:32:06

○A2a06:98c1:3121::2026-07-11 → 2026-07-11 · 4 obs

○ 2017-12-28 10:07:08
● 2026-07-11 04:26:56
○ 2026-07-30 03:32:04
○ 2026-07-30 03:32:06

○A50.63.202.332017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 20:11:22
○ 2017-12-28 10:07:08
○ 2026-07-30 03:32:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
1a21.com	greg.ns.cloudflare.com, kay.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.125

NS records: greg.ns.cloudflare.com, kay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 1a21.com (unsigned zone)

⏱️ Timing

Total: 283ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.217.15, 104.21.35.96`
AAAA	2	`2606:4700:3033::6815:2360, 2606:4700:3032::ac43:d90f`
NS	2	`greg.ns.cloudflare.com, kay.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`greg.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

1a21.com has four IP addresses: 104.21.35.96, 172.67.217.15, 2606:4700:3032::ac43:d90f and 2606:4700:3033::6815:2360.

Among the host names that share IP numbers with 1a21.com are somuchviral.com, payou.pro, dos.biz.id and two others.

Name Servers

1a21.com is served by two delegated name servers, greg.ns.cloudflare.com and kay.ns.cloudflare.com.

1a21.com has the same name server delegation as a number of other domains, such as 987cb.com, 887aw.com, 131ns.com and two more.

1a21.com shares at least some of its name servers with other domains, including 24637.cc, addgene.be, aldodatahub.io and two others.

These name servers are frequently paired with the name servers adaline.ns.cloudflare.com and trevor.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

greg.ns.cloudflare.com carries IP addresses 108.162.193.115, 172.64.33.115 and 173.245.59.115, with 3 other addresses beyond those.

kay.ns.cloudflare.com carries IP addresses 108.162.192.125, 172.64.32.125 and 173.245.58.125, with 3 other addresses beyond those.

1a21.com - robtex.com

1a21.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

`1a21.com`

`com`