gulfbioanalytical.com - robtex.com

gulfbioanalytical.com

DNSSEC⚠️ Not signed
A2001:470:0:1d6::b869:b708🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRgulfbioanalytical.com
A51.77.59.51🇵🇱 OVH51.77.0.0/16
NSns1.he.net ⭐
A2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
A216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
NSns2.he.net
A2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
A216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
NSns3.he.net
A2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
A216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
NSns4.he.net ⚠️ Not in parent delegation
A2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
A216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
MXd39369a.ess.barracudanetworks.com ⭐
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
MXd39369b.ess.barracudanetworks.com(1)
A209.222.82.252🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.253🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
A209.222.82.255🇺🇸 Amazon209.222.82.0/24 EC2 Prefix
PTRmail.ess.barracuda.com
TXTgoogle-site-verification=wDqz-RGb_tBj5s1KCJFdHrtUwYvs0oH9nj5XolcTpkI
TXTsskYRVuRd8/KgXQcVWzLyMtSqBU6PyD9SKNtG2dCe+XEinx4Xcjcne606GhBGgKvKweWX9IfaCcIG...
TXTMS=ms86178218
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.he.nethostmaster@he.net 2026-04-13 #10

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1778369671

PTR for

8.0.7.b.9.6.8.b.0.0.0.0.0.0.0.0.6.d.1.0.0.0.0.0.0.7.4.0.1.0.0.2.ip6.arpa
8.183.105.184.in-addr.arpa

Previously MX for

gulfbioanalytical.com

Subdomains

mail.gulfbioanalytical.com

Same first word

gulfbioanalytical.com

DNS History

13 records (8 active, 5 former)

201020122014201620182020202220242026NSns1.he.netns2.he.netns3.he.netns4.he.netMXd39369a.ess.barracudanetworks.comd39369b.ess.barracudanetworks.comgulfbioanalytical-com.mail.protection.outlook.comgulfbioanalytical.commail.gba.aeA2001:470:0:1d6::b869:b70851.77.59.51162.144.109.23464.62.154.220
●NSns1.he.net2009-01-20 → 2026-05-09 · 2 obs
● 2009-01-20 04:24:56
● 2026-05-09 23:59:52
●NSns2.he.net2009-01-20 → 2026-05-09 · 2 obs
● 2009-01-20 04:24:56
● 2026-05-09 23:59:52
●NSns3.he.net2009-01-20 → 2026-05-09 · 2 obs
● 2009-01-20 04:24:56
● 2026-05-09 23:59:52
●NSns4.he.net2026-04-08 → 2026-05-09 · 3 obs
○ 2009-01-20 04:24:56
● 2026-04-08 17:48:48
● 2026-05-09 23:59:52
●MXd39369a.ess.barracudanetworks.com2026-04-25 → 2026-05-09 · 3 obs
○ 2026-04-08 17:48:48
● 2026-04-25 09:12:08
● 2026-05-09 23:59:52
●MXd39369b.ess.barracudanetworks.com2026-04-25 → 2026-05-09 · 3 obs
○ 2026-04-08 17:48:48
● 2026-04-25 09:12:08
● 2026-05-09 23:59:52
○MXgulfbioanalytical-com.mail.protection.outlook.com2016-10-27 → 2026-04-08 · 5 obs
○ 2016-04-16 11:57:28
● 2016-10-27 11:04:18
● 2026-04-08 17:48:48
○ 2026-04-25 09:12:08
○ 2026-05-09 23:59:52
○MXgulfbioanalytical.com2009-01-20 → 2009-01-20 · 3 obs
● 2009-01-20 04:24:56
○ 2015-06-30 09:23:48
○ 2026-05-09 23:59:52
○MXmail.gba.ae2015-06-30 → 2016-04-16 · 5 obs
○ 2009-01-20 04:24:56
● 2015-06-30 09:23:48
● 2016-04-16 11:57:28
○ 2016-10-27 11:04:18
○ 2026-05-09 23:59:52
○A162.144.109.2342015-06-30 → 2017-05-14 · 5 obs
○ 2009-01-20 04:24:56
● 2015-06-30 09:23:48
● 2017-05-14 05:21:22
○ 2026-04-08 17:48:48
○ 2026-05-09 23:59:52
●A2001:470:0:1d6::b869:b7082016-10-27 → 2026-05-09 · 3 obs
○ 2015-06-30 09:23:48
● 2016-10-27 11:04:18
● 2026-05-09 23:59:52
●A51.77.59.512026-04-08 → 2026-05-09 · 3 obs
○ 2017-05-14 05:21:22
● 2026-04-08 17:48:48
● 2026-05-09 23:59:52
○A64.62.154.2202009-01-20 → 2009-01-20 · 3 obs
● 2009-01-20 04:24:56
○ 2015-06-30 09:23:48
○ 2026-05-09 23:59:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
gulfbioanalytical.comns1.he.net, ns2.he.net, ns3.he.net-

✅ Authoritative Response

Server:216.218.130.2

NS records: ns1.he.net, ns2.he.net, ns3.he.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gulfbioanalytical.com (unsigned zone)

⏱️ Timing

Total: 683ms | Queries: -

📄 Records

TypeCountSample Data
A151.77.59.51
AAAA12001:470:0:1d6::b869:b708
NS4ns1.he.net, ns2.he.net...
MX2d39369b.ess.barracudanetworks.com (pri: , d39369a.ess.barracudanetworks.com (pri:
TXT4google-site-verification=wDqz-RGb_tBj5s1, v=spf1 include:spf.protection.outlook.co...
SOA1ns1.he.net hostmaster.he.net

Analysis

Hierarchy

gulfbioanalytical.com is the parent of mail.gulfbioanalytical.com.

IP Addresses

gulfbioanalytical.com resolves to two IP numbers: 2001:470:0:1d6::b869:b708 and 51.77.59.51.

Other host names, for instance 51.ip-51-77-59.eu, share IP numbers with gulfbioanalytical.com.

Name Servers

gulfbioanalytical.com is delegated to four name servers: ns1.he.net, ns2.he.net, ns3.he.net and ns4.he.net.

gulfbioanalytical.com at least partially shares name servers with other domains, for instance 7.0.3.a.0.0.1.0.0.1.b.4.1.0.0.2.ip6.arpa, xnt.in, mindset.ch, utopiabound.info and xiaodian.in.

these name servers are often used together with ns5.he.net, ns4-cloud.nic.ru, ns4-l2.nic.ru and ns8-cloud.nic.ru.

Host names with two IP numbers:

ns1.he.net points to 2001:470:100::2 and 216.218.130.2; ns2.he.net points to 2001:470:200::2 and 216.218.131.2; ns3.he.net points to 2001:470:300::2 and 216.218.132.2; ns4.he.net points to 2001:470:400::2 and 216.66.1.2.

Mail Servers

Two mail servers handle gulfbioanalytical.com: d39369a.ess.barracudanetworks.com and d39369b.ess.barracudanetworks.com.

Host names with three IPs:

d39369a.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.

d39369b.ess.barracudanetworks.com points to: 209.222.82.252, 209.222.82.253 and 209.222.82.255.

Hosts pointing to 209.222.82.252: d39369a.ess.barracudanetworks.com and d39369b.ess.barracudanetworks.com.

Hosts pointing to 209.222.82.253: d39369a.ess.barracudanetworks.com and d39369b.ess.barracudanetworks.com.

Hosts pointing to 209.222.82.255: d39369a.ess.barracudanetworks.com and d39369b.ess.barracudanetworks.com.