genzyme.fr - robtex.com
genzyme.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.247.151.159🇮🇪 Amazon54.247.128.0/18 EC2 DUB prefix | ||||||
| PTR | ec2-54-247-151-159.eu-west-1.compute.amazonaws.com | ||||||
| NS | ns1.sanofi-synthelabo.com ⭐ | ||||||
| A | 2600:9000:5306:7f00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1663.awsdns-15.co.uk | ||||||
| A | 205.251.198.127🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1663.awsdns-15.co.uk | ||||||
| NS | ns2.sanofi-synthelabo.com | ||||||
| A | 2600:9000:5304:9000::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1168.awsdns-18.org | ||||||
| A | 205.251.196.144🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1168.awsdns-18.org | ||||||
| NS | ns3.sanofi-synthelabo.com | ||||||
| A | 2600:9000:5301:e000::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-480.awsdns-60.com | ||||||
| A | 205.251.193.224🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-480.awsdns-60.com | ||||||
| NS | ns4.sanofi-synthelabo.com | ||||||
| A | 2600:9000:5302:3a00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront | ||||||
| PTR | ns-570.awsdns-07.net | ||||||
| A | 205.251.194.58🇺🇸 Amazon205.251.194.0/24 prefix | ||||||
| PTR | ns-570.awsdns-07.net | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.sanofi-synthelabo.comgtly-domtech@sanofi.com 2016-03-07 #76 | ||||||
fr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.fr ⭐ | ||||||
| NS | d.nic.fr | ||||||
| NS | f.ext.nic.fr | ||||||
| NS | g.ext.nic.fr | ||||||
| TXT | 241 RRs processed [29/07/2026 04H10:49] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245908076 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.sanofi-synthelabo.com2015-08-16 → 2026-07-29 · 2 obs
● 2026-07-29 04:27:56
●NSns2.sanofi-synthelabo.com2015-08-16 → 2026-07-29 · 2 obs
● 2026-07-29 04:27:56
●NSns3.sanofi-synthelabo.com2015-08-16 → 2026-07-29 · 2 obs
● 2026-07-29 04:27:56
●NSns4.sanofi-synthelabo.com2015-08-16 → 2026-07-29 · 2 obs
● 2026-07-29 04:27:56
○MXfrasldsuext11.aventis.com2015-08-16 → 2016-05-28 · 4 obs
● 2016-05-28 23:37:06
○ 2016-07-04 12:18:44
○ 2026-07-29 04:27:56
○A164.109.104.1842015-08-16 → 2017-01-15 · 4 obs
● 2017-01-15 01:43:58
○ 2018-08-11 17:27:04
○ 2026-07-29 04:27:56
○A212.121.182.1002018-08-11 → 2018-08-11 · 4 obs
● 2018-08-11 17:27:04
○ 2026-06-12 01:32:54
○ 2026-07-29 04:27:56
●A54.247.151.1592026-06-12 → 2026-07-29 · 3 obs
● 2026-06-12 01:32:54
● 2026-07-29 04:27:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | f.ext.nic.fr, g.ext.nic.fr, d.nic.fr | - |
| genzyme.fr | ns4.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns1.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com | - |
✅ Authoritative Response
Server:205.251.194.58
NS records: ns4.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns1.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for genzyme.fr (unsigned zone)
⏱️ Timing
Total: 1900ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 54.247.151.159 |
| NS | 4 | ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.sanofi-synthelabo.com gtly-domtech.s |
Analysis
IP Addresses
genzyme.fr resolves to just one IP address, 54.247.151.159.
Two other host names, along with telfast.com, aventis.us and www.schmerzportal.at, also share IP numbers with genzyme.fr.
Name Servers
The NS records for genzyme.fr point to four name servers: ns1.sanofi-synthelabo.com, ns2.sanofi-synthelabo.com, ns3.sanofi-synthelabo.com and ns4.sanofi-synthelabo.com.
At least some of genzyme.fr's name servers are shared with other domains, for example sanoficareassist.com, amunix.com, goldbondlotion.com and two more.
Four hostnames, each resolving to a pair of IP addresses: ns1.sanofi-synthelabo.com directs to 205.251.198.127 and 2600:9000:5306:7f00::1; ns2.sanofi-synthelabo.com directs to 205.251.196.144 and 2600:9000:5304:9000::1; ns3.sanofi-synthelabo.com directs to 205.251.193.224 and 2600:9000:5301:e000::1; ns4.sanofi-synthelabo.com directs to 205.251.194.58 and 2600:9000:5302:3a00::1.