www.fei.com - robtex.com
www.fei.com
fei.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.151.18.55🇺🇸 UNSPECIFIED216.151.0.0/19 Opus Interactive Netblock | ||||||
| NS | ns3.level3.net ⭐ | ||||||
| NS | pdns1.ultradns.net | ||||||
| NS | pdns2.ultradns.net | ||||||
| NS | pdns3.ultradns.org | ||||||
| NS | pdns4.ultradns.org | ||||||
| NS | pdns5.ultradns.info | ||||||
| NS | pdns6.ultradns.co.uk | ||||||
| MX | mxa-002a2102.gslb.pphosted.com ⭐ | ||||||
| MX | mxb-002a2102.gslb.pphosted.com ⭐ | ||||||
| TXT | MS=ms26052182 | ||||||
| TXT | MS=ms47857068 | ||||||
| TXT | zscaler-verification-209720-04082025-6tqcos54 | ||||||
| TXT | zscaler-verification-209720-912025-AmI3SWWp2e | ||||||
| TXT | dJ/+0Nh6lhby7WqweUzDxR0Ej1Zefm7PrW9nQJ9mKmQybOrJhZrz2sAkHpOi1qNgL2NJD87tDB9ow... | ||||||
| TXT | v=spf1 mx a include:mktomail.com include:spf.protection.outlook.com ip4:148.... | ||||||
| SOA | ns3.level3.netdnsteam@level3.com.fei.com 2018-04-14 #7 | ||||||
rank #228030 globally
rank #92907 in the tld
WOT: SAFE (84/100)
📈 Tranco rank: #290,956
Same first word
Similar names
DNS History
9 records (1 active, 8 former)
○NSipdnstool-02.dnvr.twtelecom.net2015-10-22 → 2017-01-26 · 4 obs
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○NSns1.twtelecom.net2015-10-22 → 2017-01-26 · 4 obs
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○NSns2.twtelecom.net2015-10-22 → 2017-01-26 · 4 obs
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○NSns3.level3.net2016-12-18 → 2017-01-26 · 5 obs
● 2016-12-18 09:53:42
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○NSns4.level3.net2016-12-18 → 2017-01-26 · 5 obs
● 2016-12-18 09:53:42
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○MXsmtp-nl1.feico.com2015-10-22 → 2017-01-26 · 4 obs
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○MXsmtp.feico.com2015-10-22 → 2017-01-26 · 4 obs
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
○A216.151.18.552015-08-26 → 2017-01-26 · 4 obs
● 2017-01-26 06:25:12
○ 2021-09-02 16:22:32
○ 2026-05-13 11:59:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net... | - |
| fei.com | pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net... | - |
✅ Authoritative Response
Server:199.7.69.1
NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net, pdns5.ultradns.info, pdns6.ultradns.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fei.com (unsigned zone)
⏱️ Timing
Total: 772ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| CNAME | 1 | fei.com |
Analysis
IP Addresses
www.fei.com points to IP number: 216.151.18.55.
Other host names such as www.amira.com, www.cryo-electronmicroscopy.com, avizo3d.com, amira-avizo.com and fei.com share IPs with www.fei.com.
Name Servers
www.fei.com is delegated to seven name servers: pdns5.ultradns.info, ns3.level3.net, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
www.fei.com at least partially shares name servers with other domains, for instance 51.132.70.in-addr.arpa, impulsehotels.com.au, blomberg.info, harleydaivdson.com and expdiapoints.uk.
These name servers are commonly used alongside ns4.level3.net, udns1.ultradns.net, dns-external-master.amazon.com, dns1.p01.nsone.net, ns1.nbcuni.com, dns2.p01.nsone.net, dns3.p01.nsone.net, ns1.netbcp.com, ns2.netbcp.net and dns4.p01.nsone.net.
Host names with two IP numbers:
pdns5.ultradns.info points to: 2610:a1:1016::1 and 204.74.114.1
pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1
pdns2.ultradns.net points to: 2610:a1:1014::1 and 204.74.109.1
pdns3.ultradns.org points to: 2610:a1:1015::1 and 199.7.68.1
pdns4.ultradns.org points to: 2001:502:4612::1 and 199.7.69.1
pdns6.ultradns.co.uk points to: 2610:a1:1017::1 and 204.74.115.1
Host names with one IP number:
ns3.level3.net points to: 216.136.95.12
Mail Servers
www.fei.com is handled by two mail servers: mxa-002a2102.gslb.pphosted.com and mxb-002a2102.gslb.pphosted.com.
The mail server setup for www.fei.com matches that of other domains, for instance austin.ppdi.com, picospin.com, invitrogen.com, cellomics.com and chasescientific.com.
www.fei.com shares at least partially some mail servers with other domains, including bindingsite.it, synexus-us.com, thermo.co.za, nalgene.com and healthunlocked.com.
Host names sharing one IP: mxa-002a2102.gslb.pphosted.com and mxb-002a2102.gslb.pphosted.com point to 148.163.148.140.