uk.firstsource.com - dns.ninja
uk.firstsource.com
| DNSSEC | β οΈ Not signed | ||||||
| MX | d328387a.ess.barracudanetworks.com β | ||||||
| A | 209.222.82.252πΊπΈ Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253πΊπΈ Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255πΊπΈ Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| MX | d328387b.ess.barracudanetworks.com(20) | ||||||
| A | 209.222.82.252πΊπΈ Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.253πΊπΈ Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| A | 209.222.82.255πΊπΈ Amazon209.222.82.0/24 EC2 Prefix | ||||||
| PTR | mail.ess.barracuda.com | ||||||
| TXT | v=spf1 include:spf-a.firstsource.com include:spf.protection.outlook.com exist... | ||||||
| TXT | F0I4R47699 | ||||||
firstsource.com
| DNSSEC | β οΈ Not signed | ||||||
| A | 198.202.211.1πΊπΈ CLOUDFLARESPECTRUM198.202.211.0/24 Webflow | ||||||
| NS | pdns01.domaincontrol.com β | ||||||
| NS | pdns02.domaincontrol.com | ||||||
| MX | mxa-0096f401.gslb.pphosted.com β | ||||||
| MX | mxb-0096f401.gslb.pphosted.com(5) | ||||||
| TXT | v=spf1 include:spf-b.firstsource.com include:spf.protection.outlook.com inclu... | ||||||
| TXT | ms-domain-verification=af4c8796-6c13-43e2-a007-36bc64473ab4 | ||||||
| TXT | pexip-ms-tenant-domain-verification=bd931096-48b6-4353-bca0-9591fca127ab | ||||||
| TXT | ms=ms11005740 | ||||||
| TXT | otdcoarrskgnimvm3lh20elmlo | ||||||
| TXT | f0i4r47699 | ||||||
| TXT | _vz9q44f6xz2w57icve5r6vyqfxwdn67 | ||||||
| TXT | jbe86hrfn3tqj4cjolerejke53 | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| TXT | 1v9d0ov7gf6ntf5tell3614e4v | ||||||
| TXT | fluency-domain-verification-xzfncd=aHBx1WVhKN7dRBMaZX5l0tFgh | ||||||
| TXT | apple-domain-verification=eT2PfE4EL4qS92c3 | ||||||
| TXT | ca3-5439d34de9504514a1f7fa0ccf9a507c | ||||||
| TXT | anthropic-domain-verification-0c06t8=B7P3ML57PLc7vcx4fM01eO0JW | ||||||
| TXT | _globalsign-domain-verification=jM_5aHbQFSsLV5i2gzuFssKfe4Zh5zguWhJYSd0Vqo | ||||||
| TXT | 3612199 | ||||||
| TXT | _globalsign-domain-verification=AEmGthh3QB4dkE4MTRSeYCbuOQp9BFxTeEKVRzJhYa | ||||||
| TXT | zoho-verification=zb55001223.zmverify.zoho.com | ||||||
| SOA | pdns01.domaincontrol.comdns@jomax.net 2026-08-11 #7 | ||||||
rank #167823 globally
rank #70227 in the tld
WOT: SAFE (66/100)
π Tranco rank: #210,016
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
βMXd328387a.ess.barracudanetworks.com2026-05-24 β 2026-08-14 Β· 3 obs
β 2026-05-24 01:42:38
β 2026-08-14 09:11:02
βMXd328387b.ess.barracudanetworks.com2026-05-24 β 2026-08-14 Β· 3 obs
β 2026-05-24 01:42:38
β 2026-08-14 09:11:02
βMXuk.firstsource.com.inbound10.mxlogic.net2015-07-09 β 2016-05-06 Β· 4 obs
β 2016-05-06 02:51:00
β 2026-05-24 01:42:38
β 2026-08-14 09:11:02
βMXuk.firstsource.com.inbound10.mxlogicmx.net2015-07-09 β 2016-05-06 Β· 4 obs
β 2016-05-06 02:51:00
β 2026-05-24 01:42:38
β 2026-08-14 09:11:02
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| firstsource.com | pdns01.domaincontrol.com, pdns02.domaincontrol.com | 4 records |
β Authoritative Response
Server:173.201.78.50
NS records: pdns01.domaincontrol.com, pdns02.domaincontrol.com
π DNSSEC Status
π Secure (DNSSEC validated)
Chain of trust verified from root to domain
β±οΈ Timing
Total: 131ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| MX | 2 | d328387a.ess.barracudanetworks.com (pri:, d328387b.ess.barracudanetworks.com (pri: |
| TXT | 2 | v=spf1 include:spf-a.firstsource.com inc, F0I4R47699 |
π Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (pdns01.domaincontrol.com, pdns01.domaincontrol.com, pdns02.domaincontrol.com...)
Analysis
Mail Servers
The MX records for uk.firstsource.com point to two mail servers: d328387a.ess.barracudanetworks.com and d328387b.ess.barracudanetworks.com.
Each of d328387a.ess.barracudanetworks.com and d328387b.ess.barracudanetworks.com has three IP addresses: 209.222.82.252, 209.222.82.253 and 209.222.82.255.
Both d328387a.ess.barracudanetworks.com and d328387b.ess.barracudanetworks.com resolve to 209.222.82.252 IP addresses each.
Both d328387a.ess.barracudanetworks.com and d328387b.ess.barracudanetworks.com resolve to 209.222.82.253 IP addresses each.
Both d328387a.ess.barracudanetworks.com and d328387b.ess.barracudanetworks.com resolve to 209.222.82.255 IP addresses each.