u2fu.com - robtex.com
u2fu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 23.224.56.209🇺🇸 CNSERVERSLLC23.224.0.0/15 cust proxy reg | ||||||
| A | 23.224.56.210🇺🇸 CNSERVERSLLC23.224.0.0/15 cust proxy reg | ||||||
| A | 23.224.56.211🇺🇸 CNSERVERSLLC23.224.0.0/15 cust proxy reg | ||||||
| NS | ns1.volcanodns.com ⭐ | ||||||
| A | 2400:cb00:2049:1::adf5:3a09🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 173.245.58.9🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.volcanodns.com | ||||||
| A | 2400:cb00:2049:1::a29f:898🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| PTR | cfns2.cienans.com | ||||||
| A | 162.159.8.152Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cfns2.cienans.com | ||||||
| SOA | ns1.volcanodns.comdns@cloudflare.com serial=2399578754 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Previously MX for
u2fu.com |
Same first word
u2fu.com |
Similar names
DNS History
17 records (5 active, 12 former)
○NSjuming.dnsdun.com2020-01-12 → 2020-01-12 · 4 obs
○ 2017-02-13 01:55:36
● 2020-01-12 15:59:56
○ 2026-03-23 10:27:46
○ 2026-03-23 21:53:16
● 2020-01-12 15:59:56
○ 2026-03-23 10:27:46
○ 2026-03-23 21:53:16
○NSjuming.dnsdun.net2020-01-12 → 2020-01-12 · 4 obs
○ 2017-02-13 01:55:36
● 2020-01-12 15:59:56
○ 2026-03-23 10:27:46
○ 2026-03-23 21:53:16
● 2020-01-12 15:59:56
○ 2026-03-23 10:27:46
○ 2026-03-23 21:53:16
○NSns1.hostpapa.com2017-02-13 → 2017-02-13 · 4 obs
○ 2016-02-12 05:37:02
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
●NSns1.volcanodns.com2026-03-23 → 2026-03-23 · 3 obs
○ 2020-01-12 15:59:56
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
○NSns2.hostpapa.com2017-02-13 → 2017-02-13 · 4 obs
○ 2016-02-12 05:37:02
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
●NSns2.volcanodns.com2026-03-23 → 2026-03-23 · 3 obs
○ 2020-01-12 15:59:56
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
○NSns69.domaincontrol.com2015-06-12 → 2015-10-28 · 4 obs
● 2015-06-12 03:46:30
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
○NSns70.domaincontrol.com2015-06-12 → 2015-10-28 · 4 obs
● 2015-06-12 03:46:30
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
○MXmailstore1.secureserver.net2015-06-12 → 2015-10-28 · 4 obs
● 2015-06-12 03:46:30
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
○MXsmtp.secureserver.net2015-06-12 → 2015-10-28 · 4 obs
● 2015-06-12 03:46:30
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
○MXu2fu.com2017-02-13 → 2017-02-13 · 4 obs
○ 2016-02-12 05:37:02
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
○A184.168.221.552015-06-12 → 2015-10-28 · 4 obs
● 2015-06-12 03:46:30
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
● 2015-10-28 15:39:00
○ 2016-02-12 05:37:02
○ 2026-03-23 21:53:16
●A23.224.56.2092026-03-23 → 2026-03-23 · 3 obs
○ 2020-01-12 15:59:56
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
●A23.224.56.2102026-03-23 → 2026-03-23 · 3 obs
○ 2020-01-12 15:59:56
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
●A23.224.56.2112026-03-23 → 2026-03-23 · 3 obs
○ 2020-01-12 15:59:56
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
● 2026-03-23 10:27:46
● 2026-03-23 21:53:16
○A76.74.235.1802017-02-13 → 2017-02-13 · 4 obs
○ 2016-02-12 05:37:02
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
● 2017-02-13 01:55:36
○ 2020-01-12 15:59:56
○ 2026-03-23 21:53:16
○CNAMEwww.u2fu.com2020-01-12 → 2020-01-12 · 3 obs
● 2020-01-12 15:59:56
○ 2026-03-23 10:27:46
○ 2026-03-23 21:53:16
○ 2026-03-23 10:27:46
○ 2026-03-23 21:53:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net... | - |
| u2fu.com | ns1.volcanodns.com, ns2.volcanodns.com | 8 records |
✅ Authoritative Response
Server:154.93.100.81
NS records: ns1.volcanodns.com, ns2.volcanodns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u2fu.com (unsigned zone)
⏱️ Timing
Total: 723ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 23.224.56.210, 23.224.56.209... |
| NS | 2 | ns1.volcanodns.com, ns2.volcanodns.com |
| SOA | 1 | ns1.volcanodns.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns1.volcanodns.com, ns1.volcanodns.com, ns1.volcanodns.com...)
Analysis
IP Addresses
Three IP numbers for u2fu.com are 23.224.56.209, 23.224.56.210 and 23.224.56.211.
Other host names, for instance m6pb.com, 4pa8.com, cm4w.com, jy6u.com and u4s8.com share IP numbers with u2fu.com.
Name Servers
u2fu.com's delegation is to two name servers ns1.volcanodns.com and ns2.volcanodns.com.
u2fu.com shares the same name server configuration as other domains, such as a3en.com, va7n.com, 8bjx.com, t5kp.com and sde2.com.
Host names with two IP numbers: ns1.volcanodns.com points to 2400:cb00:2049:1::adf5:3a09 and 173.245.58.9; ns2.volcanodns.com points to 2400:cb00:2049:1::a29f:898 and 162.159.8.152