sfbayengineering.com - robtex.com
sfbayengineering.com
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=1776974116 | ||||||
Same first word
sfbayengineering.com |
DNS History
7 records (7 active, 0 former)
●NSfonzie.ns.cloudflare.com2026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
●NSgwen.ns.cloudflare.com2026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
●MXsfbayengineering-com.mail.protection.outlook.com2026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
●A104.21.61.562026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
●A172.67.206.1292026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
●A2606:4700:3037::6815:3d382026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
●A2606:4700:3037::ac43:ce812026-03-14 → 2026-04-23 · 2 obs
● 2026-04-23 20:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sfbayengineering.com | gwen.ns.cloudflare.com, fonzie.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.70
NS records: gwen.ns.cloudflare.com, fonzie.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfbayengineering.com (unsigned zone)
⏱️ Timing
Total: 160ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.61.56, 172.67.206.129 |
| AAAA | 2 | 2606:4700:3037::ac43:ce81, 2606:4700:3037::6815:3d38 |
| NS | 2 | fonzie.ns.cloudflare.com, gwen.ns.cloudflare.com |
| MX | 1 | sfbayengineering-com.mail.protection.out |
| TXT | 3 | MS=ms35623556, google-site-verification=BRvo6lsJnU2gUOR... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fonzie.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (gwen.ns.cloudflare.com, gwen.ns.cloudflare.com, gwen.ns.cloudflare.com...)
Analysis
IP Addresses
sfbayengineering.com resolves to four IP numbers: 2606:4700:3037::6815:3d38, 2606:4700:3037::ac43:ce81, 104.21.61.56 and 172.67.206.129.
other host names for instance derma-promedics.net, erboristeriabio.it, cabsat.nl, www.holidaysfever.com and gfaarmstec.com share IP numbers with sfbayengineering.com.
Name Servers
sfbayengineering.com is delegated to two name servers: fonzie.ns.cloudflare.com and gwen.ns.cloudflare.com.
sfbayengineering.com shares the same name server setup as other domains, for example asarix.com, redfox.cn.com, sourcelight.co.com, weareagain.com and dcfl.cn.com.
sfbayengineering.com at least partially shares name servers with other domains, for instance heraldrycrests.com, principleconnect.com, njotechnology.com, euro-collect.de and movies2watch.to.
These name servers are commonly used with the name servers theo.ns.cloudflare.com.
Host names with six IP numbers:
fonzie.ns.cloudflare.com points to: 2606:4700:58::a29f:2c46, 2803:f800:50::6ca2:c346, 2a06:98c1:50::ac40:2346, 108.162.195.70, 162.159.44.70 and 172.64.35.70; gwen.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa0, 2803:f800:50::6ca2:c0a0, 2a06:98c1:50::ac40:20a0, 108.162.192.160, 172.64.32.160 and 173.245.58.160.
Mail Servers
sfbayengineering.com is handled by a single mail server, sfbayengineering-com.mail.protection.outlook.com.
Host name sfbayengineering-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c803::, 2a01:111:f403:c902::4, 2a01:111:f403:f804::3, 2a01:111:f403:f90d::, 52.101.11.15, 52.101.41.0, 52.101.41.28 and 52.101.194.4.