usef.org - robtex.com
usef.org
| DNSSEC | β οΈ Not signed | ||||||
| A | 2606:4700::6812:8e7πΊπΈ Cloudflare β In HTTPS hints | ||||||
| A | 2606:4700::6812:9e7πΊπΈ Cloudflare β In HTTPS hints | ||||||
| A | 104.18.8.231 Cloudflare β In HTTPS hints | ||||||
| A | 104.18.9.231 Cloudflare β In HTTPS hints | ||||||
| NS | clay.ns.cloudflare.com β π | ||||||
| A | 2606:4700:58::adf5:3b58πΊπΈ Cloudflare | ||||||
| PTR | clay.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c158π¨π· Cloudflare | ||||||
| PTR | clay.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2158πΊπΈ Cloudflare | ||||||
| PTR | clay.ns.cloudflare.com | ||||||
| A | 108.162.193.88πΊπΈ Cloudflare | ||||||
| PTR | clay.ns.cloudflare.com | ||||||
| A | 172.64.33.88πΊπΈ Cloudflare | ||||||
| PTR | clay.ns.cloudflare.com | ||||||
| A | 173.245.59.88πΊπΈ Cloudflare | ||||||
| PTR | clay.ns.cloudflare.com | ||||||
| NS | tia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ae5πΊπΈ Cloudflare | ||||||
| PTR | tia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e5π¨π· Cloudflare | ||||||
| PTR | tia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e5πΊπΈ Cloudflare | ||||||
| PTR | tia.ns.cloudflare.com | ||||||
| A | 108.162.192.229πΊπΈ Cloudflare | ||||||
| PTR | tia.ns.cloudflare.com | ||||||
| A | 172.64.32.229πΊπΈ Cloudflare | ||||||
| PTR | tia.ns.cloudflare.com | ||||||
| A | 173.245.58.229πΊπΈ Cloudflare | ||||||
| PTR | tia.ns.cloudflare.com | ||||||
| MX | mx1.hc5400-24.iphmx.com β | ||||||
| A | 139.138.35.88πΊπΈ CISCO-1 | ||||||
| A | 139.138.59.212πΊπΈ CISCO-1 | ||||||
| MX | mx2.hc5400-24.iphmx.com β | ||||||
| A | 139.138.35.88πΊπΈ CISCO-1 | ||||||
| A | 139.138.59.212πΊπΈ 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=2606:4700:0:0:0:0:6812:8e7,2606:4700:0:0:0:0:6812:9e7β hints match | ||||||
| IPv4 | 104.18.8.231, 104.18.9.231 | ||||||
| IPv6 | 2606:4700::6812:8e7, 2606:4700::6812:9e7 | ||||||
| SOA | clay.ns.cloudflare.comdns@cloudflare.com serial=2397016010 | ||||||
org
| DNSSEC | π Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info β β οΈ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info β οΈ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info β οΈ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736 | ||||||
rank #5170 in the tld
WOT: SAFE (67/100)
π Tranco rank: #151,984
Up
Same first word
Similar names
DNS History
19 records (8 active, 11 former)
βNSclay.ns.cloudflare.com2016-11-27 β 2026-02-24 Β· 3 obs
β 2016-11-27 11:49:12
β 2026-02-24 03:39:26
βNSdbru.br.ns.els-gms.att.net2009-02-01 β 2009-02-01 Β· 3 obs
β 2015-07-19 18:30:16
β 2026-02-24 03:39:26
βNSdmtu.mt.ns.els-gms.att.net2009-02-01 β 2009-02-01 Β· 3 obs
β 2015-07-19 18:30:16
β 2026-02-24 03:39:26
βNSpdns01.domaincontrol.com2015-07-19 β 2016-04-26 Β· 5 obs
β 2015-07-19 18:30:16
β 2016-04-26 18:01:42
β 2016-11-27 11:49:12
β 2026-02-24 03:39:26
βNSpdns02.domaincontrol.com2015-07-19 β 2016-04-26 Β· 5 obs
β 2015-07-19 18:30:16
β 2016-04-26 18:01:42
β 2016-11-27 11:49:12
β 2026-02-24 03:39:26
βNStia.ns.cloudflare.com2016-11-27 β 2026-02-24 Β· 3 obs
β 2016-11-27 11:49:12
β 2026-02-24 03:39:26
βMXmail2.usef.org2009-02-01 β 2016-11-27 Β· 4 obs
β 2016-11-27 11:49:12
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βMXmx1.hc5400-24.iphmx.com2026-02-18 β 2026-02-24 Β· 3 obs
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βMXmx2.hc5400-24.iphmx.com2026-02-18 β 2026-02-24 Β· 3 obs
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA104.18.8.2312026-02-18 β 2026-02-24 Β· 3 obs
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA104.18.9.2312026-02-18 β 2026-02-24 Β· 3 obs
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA104.20.18.1872016-11-27 β 2016-11-27 Β· 4 obs
β 2016-11-27 11:49:12
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA104.20.19.1872016-11-27 β 2016-11-27 Β· 4 obs
β 2016-11-27 11:49:12
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA12.47.96.1192009-02-01 β 2009-02-01 Β· 3 obs
β 2015-07-19 18:30:16
β 2026-02-24 03:39:26
βA216.170.20.1462015-07-19 β 2016-04-26 Β· 5 obs
β 2015-07-19 18:30:16
β 2016-04-26 18:01:42
β 2016-11-27 11:49:12
β 2026-02-24 03:39:26
βA2400:cb00:2048:1::6814:12bb2016-11-27 β 2016-11-27 Β· 4 obs
β 2016-11-27 11:49:12
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA2400:cb00:2048:1::6814:13bb2016-11-27 β 2016-11-27 Β· 4 obs
β 2016-11-27 11:49:12
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA2606:4700::6812:8e72026-02-18 β 2026-02-24 Β· 3 obs
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
βA2606:4700::6812:9e72026-02-18 β 2026-02-24 Β· 3 obs
β 2026-02-18 14:11:34
β 2026-02-24 03:39:26
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| usef.org | tia.ns.cloudflare.com, clay.ns.cloudflare.com | - |
β Authoritative Response
Server: 172.64.33.88
NS records: tia.ns.cloudflare.com, clay.ns.cloudflare.com
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for usef.org (unsigned zone)
β±οΈ Timing
Total: 436ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.18.8.231, 104.18.9.231 |
| AAAA | 2 | 2606:4700::6812:9e7, 2606:4700::6812:8e7 |
| 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.