3917b.com - dns.ninja

`3917b.com`

DNSSEC	⚠️ Not signed
A	104.21.90.187^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.159.199^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`justin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`justin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`justin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`justin.ns.cloudflare.com`
		A	108.162.193.187^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`justin.ns.cloudflare.com`
		A	172.64.33.187^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`justin.ns.cloudflare.com`
		A	173.245.59.187^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`justin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.187, 172.67.159.199
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2407255532

`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=1785804552

Same first word

3917b.com

Similar names

b1973.dk

39b71.cn

b1973.com

79b13.com

b3971.com

b1739.com

DNS History

7 records (4 active, 3 former)

●NSamanda.ns.cloudflare.com2026-05-06 → 2026-08-04 · 3 obs

○ 2019-12-18 20:53:08
● 2026-05-06 10:50:18
● 2026-08-04 01:12:58

●NSjustin.ns.cloudflare.com2026-05-06 → 2026-08-04 · 3 obs

○ 2019-12-18 20:53:08
● 2026-05-06 10:50:18
● 2026-08-04 01:12:58

○NSns7.alidns.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 20:53:08
○ 2026-05-06 10:50:18
○ 2026-08-04 01:12:58

○NSns8.alidns.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 20:53:08
○ 2026-05-06 10:50:18
○ 2026-08-04 01:12:58

○A104.164.222.62019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 20:53:08
○ 2026-05-06 10:50:18
○ 2026-08-04 01:12:58

●A104.21.90.1872026-05-06 → 2026-08-04 · 3 obs

○ 2019-12-18 20:53:08
● 2026-05-06 10:50:18
● 2026-08-04 01:12:58

●A172.67.159.1992026-05-06 → 2026-08-04 · 3 obs

○ 2019-12-18 20:53:08
● 2026-05-06 10:50:18
● 2026-08-04 01:12:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
3917b.com	amanda.ns.cloudflare.com, justin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.187

NS records: amanda.ns.cloudflare.com, justin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3917b.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.159.199, 104.21.90.187`
NS	2	`amanda.ns.cloudflare.com, justin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

3917b.com resolves to the IP addresses 104.21.90.187 and 172.67.159.199

Additional host names — www.simonchar.com, zielonykredens.pl, tk.sycccf.com and two others — share IP numbers with 3917b.com.

Name Servers

DNS delegation for 3917b.com points to two name servers: amanda.ns.cloudflare.com and justin.ns.cloudflare.com.

3917b.com shares its name server setup with other domains, including 3917.co, 6917322.com, dmg854.com and two others.

3917b.com has at least partial name server overlap with other domains, such as whemapp.com, steinbachfarms.com, sbfxw.com and two others.

It is common to see these name servers used together with name servers colin.ns.cloudflare.com and andy.ns.cloudflare.com.

Host names with 6 IP numbers:

amanda.ns.cloudflare.com has IP addresses 108.162.192.63, 172.64.32.63 and 173.245.58.63, plus 3 other.

justin.ns.cloudflare.com has IP addresses 108.162.193.187, 172.64.33.187 and 173.245.59.187, plus 3 other.