`usef.org`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:8e7^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	2606:4700::6812:9e7^{🇺🇸 Cloudflare} ✓ In HTTPS hints
A	104.18.8.231^Cloudflare ✓ In HTTPS hints
A	104.18.9.231^Cloudflare ✓ In HTTPS hints
NS	`clay.ns.cloudflare.com` ⭐ 🔒
		A	2606:4700:58::adf5:3b58^{🇺🇸 Cloudflare}
			PTR	`clay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c158^{🇨🇷 Cloudflare}
			PTR	`clay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2158^{🇺🇸 Cloudflare}
			PTR	`clay.ns.cloudflare.com`
		A	108.162.193.88^{🇺🇸 Cloudflare}
			PTR	`clay.ns.cloudflare.com`
		A	172.64.33.88^{🇺🇸 Cloudflare}
			PTR	`clay.ns.cloudflare.com`
		A	173.245.59.88^{🇺🇸 Cloudflare}
			PTR	`clay.ns.cloudflare.com`
NS	`tia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae5^{🇺🇸 Cloudflare}
			PTR	`tia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e5^{🇨🇷 Cloudflare}
			PTR	`tia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e5^{🇺🇸 Cloudflare}
			PTR	`tia.ns.cloudflare.com`
		A	108.162.192.229^{🇺🇸 Cloudflare}
			PTR	`tia.ns.cloudflare.com`
		A	172.64.32.229^{🇺🇸 Cloudflare}
			PTR	`tia.ns.cloudflare.com`
		A	173.245.58.229^{🇺🇸 Cloudflare}
			PTR	`tia.ns.cloudflare.com`
MX	`mx1.hc5400-24.iphmx.com` ⭐
		A	139.138.35.88^{🇺🇸 CISCO-1}
		A	139.138.59.212^{🇺🇸 CISCO-1}
MX	`mx2.hc5400-24.iphmx.com` ⭐
		A	139.138.35.88^{🇺🇸 CISCO-1}
		A	139.138.59.212^{🇺🇸 CISCO-1}
TXT	`8t3ekqpofk5n6fm0b738pa66fu`
TXT	`MS=ms52918994`
TXT	`apple-domain-verification=Br96ofqemmBnJa4J`
TXT	`cisco-ci-domain-verification=679d9e4f136e4a47b12d44b559549f2197ca4f9f6fabb7a3...`
TXT	`google-site-verification=iPonj4U3FwNlc8UUc8CcSK2g83uJ3dsMXmArz6cfGi8`
TXT	`google-site-verification=lbt0xTe7v6X20o3i12-T7G7hG2YtTehe6wgd4TjVkqw`
TXT	`google-site-verification=xxMfeEDGtAInJGR7ARCsNcZbgoceeQ4P0-0T3RDDzBg`
TXT	`inu4r6p64ptaogadthej9v2lje`
TXT	`ms-domain-verification=b0d2ff7e-9153-40cc-a0ce-8583aac23162`
TXT	`v=spf1 include:spf.protection.outlook.com exists:%{i}.spf.hc5400-24.iphmx.com...`
TXT	`vucqtl9g1vbr64n9bm2u2tpsvu`
HTTPS	`1 . ipv4hint=104.18.8.231,104.18.9.231 ipv6hint=2606:4700:0:0:0:0:6812:8e7,2606:4700:0:0:0:0:6812:9e7`✓ hints match
		IPv4	104.18.8.231, 104.18.9.231
		IPv6	2606:4700::6812:8e7, 2606:4700::6812:9e7
SOA	`clay.ns.cloudflare.com`dns@cloudflare.com serial=2397016010

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1771291736

rank #54385 globally
rank #5170 in the tld
WOT: SAFE (67/100)
📈 Tranco rank: #151,984

Up

files.usef.org

www.usef.org

members.usef.org

etime.usef.org

mail2.usef.org

broadcast.usef.org

Same first word

usef.org

usef.net

usef.info

usef.cn

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usef.tv

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Similar names

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uefs.blogspot.com

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fesu.ac.jp

eufs.org.uk

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sufe.org

fuse.eu

fuse.do

uefs.co.uk

fuse.com

DNS History

19 records (8 active, 11 former)

●NSclay.ns.cloudflare.com2016-11-27 → 2026-02-24 · 3 obs

○ 2016-04-26 18:01:42
● 2016-11-27 11:49:12
● 2026-02-24 09:25:06

○NSdbru.br.ns.els-gms.att.net2009-02-01 → 2009-02-01 · 3 obs

● 2009-02-01 03:17:50
○ 2015-07-19 18:30:16
○ 2026-02-24 09:25:06

○NSdmtu.mt.ns.els-gms.att.net2009-02-01 → 2009-02-01 · 3 obs

● 2009-02-01 03:17:50
○ 2015-07-19 18:30:16
○ 2026-02-24 09:25:06

○NSpdns01.domaincontrol.com2015-07-19 → 2016-04-26 · 5 obs

○ 2009-02-01 03:17:50
● 2015-07-19 18:30:16
● 2016-04-26 18:01:42
○ 2016-11-27 11:49:12
○ 2026-02-24 09:25:06

○NSpdns02.domaincontrol.com2015-07-19 → 2016-04-26 · 5 obs

○ 2009-02-01 03:17:50
● 2015-07-19 18:30:16
● 2016-04-26 18:01:42
○ 2016-11-27 11:49:12
○ 2026-02-24 09:25:06

●NStia.ns.cloudflare.com2016-11-27 → 2026-02-24 · 3 obs

○ 2016-04-26 18:01:42
● 2016-11-27 11:49:12
● 2026-02-24 09:25:06

○MXmail2.usef.org2009-02-01 → 2016-11-27 · 4 obs

● 2009-02-01 03:17:50
● 2016-11-27 11:49:12
○ 2026-02-18 14:11:34
○ 2026-02-24 09:25:06

●MXmx1.hc5400-24.iphmx.com2026-02-18 → 2026-02-24 · 3 obs

○ 2016-11-27 11:49:12
● 2026-02-18 14:11:34
● 2026-02-24 09:25:06

●MXmx2.hc5400-24.iphmx.com2026-02-18 → 2026-02-24 · 3 obs

○ 2016-11-27 11:49:12
● 2026-02-18 14:11:34
● 2026-02-24 09:25:06

●A104.18.8.2312026-02-18 → 2026-02-24 · 3 obs

○ 2016-11-27 11:49:12
● 2026-02-18 14:11:34
● 2026-02-24 09:25:06

●A104.18.9.2312026-02-18 → 2026-02-24 · 3 obs

○ 2016-11-27 11:49:12
● 2026-02-18 14:11:34
● 2026-02-24 09:25:06

○A104.20.18.1872016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-26 18:01:42
● 2016-11-27 11:49:12
○ 2026-02-18 14:11:34
○ 2026-02-24 09:25:06

○A104.20.19.1872016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-26 18:01:42
● 2016-11-27 11:49:12
○ 2026-02-18 14:11:34
○ 2026-02-24 09:25:06

○A12.47.96.1192009-02-01 → 2009-02-01 · 3 obs

● 2009-02-01 03:17:50
○ 2015-07-19 18:30:16
○ 2026-02-24 09:25:06

○A216.170.20.1462015-07-19 → 2016-04-26 · 5 obs

○ 2009-02-01 03:17:50
● 2015-07-19 18:30:16
● 2016-04-26 18:01:42
○ 2016-11-27 11:49:12
○ 2026-02-24 09:25:06

○A2400:cb00:2048:1::6814:12bb2016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-26 18:01:42
● 2016-11-27 11:49:12
○ 2026-02-18 14:11:34
○ 2026-02-24 09:25:06

○A2400:cb00:2048:1::6814:13bb2016-11-27 → 2016-11-27 · 4 obs

○ 2016-04-26 18:01:42
● 2016-11-27 11:49:12
○ 2026-02-18 14:11:34
○ 2026-02-24 09:25:06

●A2606:4700::6812:8e72026-02-18 → 2026-02-24 · 3 obs

○ 2016-11-27 11:49:12
● 2026-02-18 14:11:34
● 2026-02-24 09:25:06

●A2606:4700::6812:9e72026-02-18 → 2026-02-24 · 3 obs

○ 2016-11-27 11:49:12
● 2026-02-18 14:11:34
● 2026-02-24 09:25:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
usef.org	clay.ns.cloudflare.com, tia.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.32.229

NS records: clay.ns.cloudflare.com, tia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usef.org (unsigned zone)

⏱️ Timing

Total: 362ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.9.231, 104.18.8.231`
AAAA	2	`2606:4700::6812:8e7, 2606:4700::6812:9e7`
NS	2	`clay.ns.cloudflare.com, tia.ns.cloudflare.com`
MX	2	`mx1.hc5400-24.iphmx.com (pri: 10), mx2.hc5400-24.iphmx.com (pri: 10)`
TXT	11	`8t3ekqpofk5n6fm0b738pa66fu, MS=ms52918994...`
HTTPS	1	`{"priority":1,"target":".","ipv4hint":["`
SOA	1	`clay.ns.cloudflare.com dns.cloudflare.co`

AI analysis

usef.org is a parent of files.usef.org, www.usef.org, members.usef.org, etime.usef.org and mail2.usef.org, plus a few other host names.

usef.org points to four IP numbers: 2606:4700::6812:8e7, 2606:4700::6812:9e7, 104.18.8.231 and 104.18.9.231.

Other host names, for instance gangstar-game.com, search.conforama.fr, getfit21winners.com, conforama.fr and shr2me.com share IP numbers with usef.org.

usef.org is delegated to two name servers: clay.ns.cloudflare.com and tia.ns.cloudflare.com.

usef.org uses the same name server setup as other domains, for instance bgpmaintenance.com, interligue.net, drbrownson.com, yux.co and napc.co.uk.

usef.org shares name servers with other domains at least partially, for instance perfect-project.eu, ortm.ml, northernutahsecurity.com, poemist.com and uber.nz.

these name servers are often used together with the name servers ulla.ns.cloudflare.com.

Host names with six IP numbers: clay.ns.cloudflare.com points to 2606:4700:58::adf5:3b58, 2803:f800:50::6ca2:c158, 2a06:98c1:50::ac40:2158, 108.162.193.88, 172.64.33.88 and 173.245.59.88; tia.ns.cloudflare.com points to 2606:4700:50::adf5:3ae5, 2803:f800:50::6ca2:c0e5, 2a06:98c1:50::ac40:20e5, 108.162.192.229, 172.64.32.229 and 173.245.58.229.

usef.org is handled by two mail servers: mx1.hc5400-24.iphmx.com and mx2.hc5400-24.iphmx.com.

Host names with two IPs:

mx1.hc5400-24.iphmx.com points to 139.138.35.88 and 139.138.59.212.

mx2.hc5400-24.iphmx.com points to 139.138.35.88 and 139.138.59.212.

Host names that point to 139.138.35.88: mx1.hc5400-24.iphmx.com and mx2.hc5400-24.iphmx.com.

Host names that point to 139.138.59.212: mx1.hc5400-24.iphmx.com and mx2.hc5400-24.iphmx.com.

Common IPs for mx1.hc5400-24.iphmx.com and mx2.hc5400-24.iphmx.com are 139.138.35.88 and 139.138.59.212.

usef.org - robtex.com

usef.org

org

Up

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

AI analysis

`usef.org`

`org`