4ucu.org - robtex.com
4ucu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 141.193.213.20🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US | ||||||
| A | 141.193.213.21🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US | ||||||
| NS | ns77.worldnic.com ⭐ | ||||||
| A | 162.159.26.27Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns78.worldnic.com | ||||||
| A | 162.159.27.78Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mx-01-us-east-2.prod.hydra.sophos.com ⭐ | ||||||
| A | 3.138.43.149🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix | ||||||
| PTR | ec2-3-138-43-149.us-east-2.compute.amazonaws.com | ||||||
| A | 18.118.219.4🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix | ||||||
| PTR | ec2-18-118-219-4.us-east-2.compute.amazonaws.com | ||||||
| A | 18.189.107.171🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix | ||||||
| PTR | ec2-18-189-107-171.us-east-2.compute.amazonaws.com | ||||||
| MX | mx-02-us-east-2.prod.hydra.sophos.com(10) | ||||||
| A | 3.138.43.149🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix | ||||||
| PTR | ec2-3-138-43-149.us-east-2.compute.amazonaws.com | ||||||
| A | 18.118.219.4🇺🇸 Amazon18.116.0.0/14 EC2 CMH Prefix | ||||||
| PTR | ec2-18-118-219-4.us-east-2.compute.amazonaws.com | ||||||
| A | 18.189.107.171🇺🇸 Amazon18.189.0.0/16 EC2 CMH prefix | ||||||
| PTR | ec2-18-189-107-171.us-east-2.compute.amazonaws.com | ||||||
| TXT | v=spf1 include:_spf.prod.hydra.sophos.com include:4ucu-org.spf.smtp25.com inc... | ||||||
| TXT | 71bI0rO3JkTWYzYSMleLRg== | ||||||
| TXT | sophos-domain-verification=cbe31bc35faac1ab3b2f1bf6633aee23c8f99d0d2a6c4997bd... | ||||||
| TXT | sophos-domain-verification=23739fa6324323de2c57e82cd76add34a50bee2b | ||||||
| TXT | MS=ms86416064 | ||||||
| TXT | vben8lmqo7pml797o9hlc19ols | ||||||
| SOA | NS77.WORLDNIC.COMnamehost@WORLDNIC.COM serial=126021120 | ||||||
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.infohostmaster@donuts.email serial=1774441648 | ||||||
Same first word
4ucu.org |
Similar names
DNS History
10 records (6 active, 4 former)
●NSns77.worldnic.com2019-12-19 → 2026-03-25 · 2 obs
● 2026-03-25 12:46:30
●NSns78.worldnic.com2019-12-19 → 2026-03-25 · 2 obs
● 2026-03-25 12:46:30
○MXasp.reflexion.net2019-12-19 → 2019-12-19 · 3 obs
○ 2026-03-14 16:33:54
○ 2026-03-25 12:46:30
●MXmx-01-us-east-2.prod.hydra.sophos.com2026-03-14 → 2026-03-25 · 3 obs
● 2026-03-14 16:33:54
● 2026-03-25 12:46:30
●MXmx-02-us-east-2.prod.hydra.sophos.com2026-03-14 → 2026-03-25 · 3 obs
● 2026-03-14 16:33:54
● 2026-03-25 12:46:30
○MXmx-100.reflexion.net2019-12-19 → 2019-12-19 · 3 obs
○ 2026-03-14 16:33:54
○ 2026-03-25 12:46:30
○MXmx-110.reflexion.net2019-12-19 → 2019-12-19 · 3 obs
○ 2026-03-14 16:33:54
○ 2026-03-25 12:46:30
●A141.193.213.202026-03-14 → 2026-03-25 · 3 obs
● 2026-03-14 16:33:54
● 2026-03-25 12:46:30
●A141.193.213.212026-03-14 → 2026-03-25 · 3 obs
● 2026-03-14 16:33:54
● 2026-03-25 12:46:30
○A66.133.104.202019-12-19 → 2019-12-19 · 3 obs
○ 2026-03-14 16:33:54
○ 2026-03-25 12:46:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| 4ucu.org | ns77.worldnic.com, ns78.worldnic.com | - |
✅ Authoritative Response
Server:162.159.26.27
NS records: ns77.worldnic.com, ns78.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4ucu.org (unsigned zone)
⏱️ Timing
Total: 422ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 141.193.213.20, 141.193.213.21 |
| NS | 2 | ns78.worldnic.com, ns77.worldnic.com |
| MX | 2 | mx-02-us-east-2.prod.hydra.sophos.com (p, mx-01-us-east-2.prod.hydra.sophos.com (p |
| TXT | 6 | v=spf1 include:_spf.prod.hydra.sophos.co, 71bI0rO3JkTWYzYSMleLRg==... |
| SOA | 1 | NS77.WORLDNIC.COM namehost.WORLDNIC.COM |
Analysis
IP Addresses
4ucu.org points to two IPs: 141.193.213.20 and 141.193.213.21.
Other host names including omnicomproduction.com, ncibuildingsystemsinc.net, smtp.terrypratchettbooks.com, boatersins.com and pharmacytechnicansletter.com share IP numbers with 4ucu.org.
Name Servers
4ucu.org's delegation uses two name servers, ns77.worldnic.com and ns78.worldnic.com.
4ucu.org shares the same name server setup as other domains, for example ksingh.mobi, sppolice.org, mayell.com, vieweng.net and gearedexchangetradedfunds.com.
Host names with a single IP:
ns77.worldnic.com points to 162.159.26.27.
ns78.worldnic.com points to 162.159.27.78.
Mail Servers
4ucu.org is handled by two mail servers: mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com.
4ucu.org shares its mail server setup with other domains, including paigeallanlaboratories.com, techngo.com, fantechtrade.com.au, boxito.com.mx and davisweber.org.
The mail servers for 4ucu.org are shared with other domains, for instance jireh-industries.com, potamus.com, alpinevision.net, sheetsandpaquette.com and taiminere.com.
Host names with three IP numbers:
Host name mx-01-us-east-2.prod.hydra.sophos.com points to: 3.138.43.149, 18.118.219.4 and 18.189.107.171.
Host name mx-02-us-east-2.prod.hydra.sophos.com points to: 3.138.43.149, 18.118.219.4 and 18.189.107.171.
Names pointing to 3.138.43.149: mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com.
Names pointing to 18.118.219.4: mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com.
Names pointing to 18.189.107.171: mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com.