`f581.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:46ab^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8a06^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.70.171^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.6^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`maxim.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maxim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maxim.ns.cloudflare.com`
		A	108.162.195.198^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	162.159.44.198^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	172.64.35.198^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
NS	`samara.ns.cloudflare.com`
		A	2606:4700:50::a29f:26a0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`samara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`samara.ns.cloudflare.com`
		A	108.162.194.160^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
		A	162.159.38.160^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
		A	172.64.34.160^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`samara.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.70.171, 172.67.138.6
		IPv6 hints	2606:4700:3030::6815:46ab, 2606:4700:3037::ac43:8a06
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=156, name=cloudflare-ech.com
SOA	`maxim.ns.cloudflare.com`dns@cloudflare.com serial=2403054550

`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=1778544541

Same first word

f581.com

Similar names

51f8.cn

5f81.com

f518.top

1f85.com

51f8.net

815f.cn

f518.vip

f518.net

f518.com

f815.cn

f158.cn

518f.com

DNS History

25 records (6 active, 19 former)

○NSdns1.name-services.com2016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-15 21:34:52
● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

○NSdns2.name-services.com2016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-15 21:34:52
● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

○NSdns3.name-services.com2016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-15 21:34:52
● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

○NSdns4.name-services.com2016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-15 21:34:52
● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

○NSdns5.name-services.com2016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-15 21:34:52
● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

●NSmaxim.ns.cloudflare.com2026-04-07 → 2026-05-12 · 3 obs

○ 2017-11-08 15:47:14
● 2026-04-07 23:12:58
● 2026-05-12 00:18:20

○NSns1.namebrightdns.com2016-09-16 → 2017-11-08 · 5 obs

○ 2016-03-20 06:42:08
● 2016-09-16 05:50:48
● 2017-11-08 15:47:14
○ 2026-04-07 23:12:58
○ 2026-05-12 00:18:20

○NSns2.namebrightdns.com2016-09-16 → 2017-11-08 · 5 obs

○ 2016-03-20 06:42:08
● 2016-09-16 05:50:48
● 2017-11-08 15:47:14
○ 2026-04-07 23:12:58
○ 2026-05-12 00:18:20

○NSns27.ixwebhosting.com2015-08-27 → 2015-12-15 · 4 obs

● 2015-08-27 17:43:22
● 2015-12-15 21:34:52
○ 2016-03-20 06:42:08
○ 2026-05-12 00:18:20

○NSns28.ixwebhosting.com2015-08-27 → 2015-12-15 · 4 obs

● 2015-08-27 17:43:22
● 2015-12-15 21:34:52
○ 2016-03-20 06:42:08
○ 2026-05-12 00:18:20

●NSsamara.ns.cloudflare.com2026-04-07 → 2026-05-12 · 3 obs

○ 2017-11-08 15:47:14
● 2026-04-07 23:12:58
● 2026-05-12 00:18:20

○MXmail1.namebrightmail.com2016-09-16 → 2016-09-16 · 4 obs

○ 2016-03-20 06:42:08
● 2016-09-16 05:50:48
○ 2017-11-08 15:47:14
○ 2026-05-12 00:18:20

○MXmail2.namebrightmail.com2016-09-16 → 2016-09-16 · 4 obs

○ 2016-03-20 06:42:08
● 2016-09-16 05:50:48
○ 2017-11-08 15:47:14
○ 2026-05-12 00:18:20

○MXp.nsm.ctmail.com2016-03-20 → 2016-03-20 · 3 obs

● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

●A104.21.70.1712026-04-07 → 2026-05-12 · 5 obs

○ 2016-09-16 05:50:48
● 2026-04-07 23:12:58
● 2026-05-07 07:19:08
○ 2026-05-08 05:43:30
● 2026-05-12 00:18:20

●A172.67.138.62026-04-07 → 2026-05-12 · 5 obs

○ 2016-09-16 05:50:48
● 2026-04-07 23:12:58
● 2026-05-07 07:19:08
○ 2026-05-08 05:43:30
● 2026-05-12 00:18:20

○A188.114.96.02026-05-08 → 2026-05-08 · 3 obs

○ 2026-05-07 07:19:08
● 2026-05-08 05:43:30
○ 2026-05-12 00:18:20

○A188.114.97.02026-05-08 → 2026-05-08 · 3 obs

○ 2026-05-07 07:19:08
● 2026-05-08 05:43:30
○ 2026-05-12 00:18:20

●A2606:4700:3030::6815:46ab2026-04-07 → 2026-05-12 · 5 obs

○ 2016-09-16 05:50:48
● 2026-04-07 23:12:58
● 2026-05-07 07:19:08
○ 2026-05-08 05:43:30
● 2026-05-12 00:18:20

●A2606:4700:3037::ac43:8a062026-04-07 → 2026-05-12 · 5 obs

○ 2016-09-16 05:50:48
● 2026-04-07 23:12:58
● 2026-05-07 07:19:08
○ 2026-05-08 05:43:30
● 2026-05-12 00:18:20

○A2a06:98c1:3120::2026-05-08 → 2026-05-08 · 3 obs

○ 2026-05-07 07:19:08
● 2026-05-08 05:43:30
○ 2026-05-12 00:18:20

○A2a06:98c1:3121::2026-05-08 → 2026-05-08 · 3 obs

○ 2026-05-07 07:19:08
● 2026-05-08 05:43:30
○ 2026-05-12 00:18:20

○A54.175.122.202016-09-16 → 2016-09-16 · 4 obs

○ 2016-03-20 06:42:08
● 2016-09-16 05:50:48
○ 2026-04-07 23:12:58
○ 2026-05-12 00:18:20

○A76.162.168.92015-08-27 → 2015-12-15 · 4 obs

● 2015-08-27 17:43:22
● 2015-12-15 21:34:52
○ 2016-03-20 06:42:08
○ 2026-05-12 00:18:20

○A8.5.1.432016-03-20 → 2016-03-20 · 4 obs

○ 2015-12-15 21:34:52
● 2016-03-20 06:42:08
○ 2016-09-16 05:50:48
○ 2026-05-12 00:18:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
f581.com	samara.ns.cloudflare.com, maxim.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.198

NS records: samara.ns.cloudflare.com, maxim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f581.com (unsigned zone)

⏱️ Timing

Total: 819ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.138.6, 104.21.70.171`
AAAA	2	`2606:4700:3030::6815:46ab, 2606:4700:3037::ac43:8a06`
NS	2	`maxim.ns.cloudflare.com, samara.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`maxim.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

f581.com resolves to four IP numbers: 2606:4700:3030::6815:46ab, 2606:4700:3037::ac43:8a06, 104.21.70.171 and 172.67.138.6.

other host names for instance centriolinkworks.digital, github-insight-anz-lab.io, hikearkansas.com, theurgetodiscover.com and primefuturemodule.click share IP numbers with f581.com.

Name Servers

f581.com is delegated to two name servers: maxim.ns.cloudflare.com and samara.ns.cloudflare.com.

f581.com shares the same name server setup as other domains, for example 498r.com, p261.com, 638b.com, newafricanmagazine.com and 547h.com.

f581.com at least partially shares name servers with other domains, for instance 91rihanjngpinmadou.com.cn, aglcode.com, keldenequipment.com, vbn123.com and 91youxidating1.com.cn.

These name servers are often used with tony.ns.cloudflare.com and princess.ns.cloudflare.com.

Host names with six IP numbers:

maxim.ns.cloudflare.com points to: 2606:4700:58::a29f:2cc6, 2803:f800:50::6ca2:c3c6, 2a06:98c1:50::ac40:23c6, 108.162.195.198, 162.159.44.198 and 172.64.35.198; samara.ns.cloudflare.com points to: 2606:4700:50::a29f:26a0, 2803:f800:50::6ca2:c2a0, 2a06:98c1:50::ac40:22a0, 108.162.194.160, 162.159.38.160 and 172.64.34.160.

f581.com - robtex.com

f581.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

`f581.com`

`com`