smartbluefilter.com - robtex.com
smartbluefilter.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | frexi901.essilor.com ⭐ | ||||||
| A | 193.242.5.220🇫🇷 ESSILOR193.242.5.0/24 Essilor International Creteil-Echat France | ||||||
| NS | frexi902.essilor.com | ||||||
| A | 20.85.152.28🇺🇸 Microsoft20.64.0.0/10 | ||||||
| TXT | v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com -all | ||||||
| SOA | frexi901.essilor.commisnetsupport@essilor.fr serial=9 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774582392 | ||||||
Same first word
DNS History
2 records (2 active, 0 former)
●NSfrexi901.essilor.com2016-12-20 → 2026-03-27 · 2 obs
● 2016-12-20 17:35:58
● 2026-03-27 03:42:22
● 2026-03-27 03:42:22
●NSfrexi902.essilor.com2016-12-20 → 2026-03-27 · 2 obs
● 2016-12-20 17:35:58
● 2026-03-27 03:42:22
● 2026-03-27 03:42:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net... | - |
| smartbluefilter.com | frexi901.essilor.com, frexi902.essilor.com | 2 records |
✅ Authoritative Response
Server:20.85.152.28
NS records: frexi901.essilor.com, frexi902.essilor.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartbluefilter.com (unsigned zone)
⏱️ Timing
Total: 835ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | frexi901.essilor.com, frexi902.essilor.com |
| TXT | 1 | v=spf1 include:spf.messagelabs.com inclu |
| SOA | 1 | frexi901.essilor.com misnetsupport.essil |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (frexi901.essilor.com, frexi902.essilor.com)
Analysis
Name Servers
Delegation for smartbluefilter.com rests with two name servers, frexi901.essilor.com and frexi902.essilor.com.
smartbluefilter.com shares the same name server setup as other domains, including varilux-x-series.nl, eyezen.com.cn, essilux.ru, variluxxseries.cn and maisondelavue.fr.
Host names with one IP number: frexi901.essilor.com points to 193.242.5.220; frexi902.essilor.com points to 20.85.152.28.