fbsv.net - robtex.com
fbsv.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.facebook.com ⭐ | ||||||
| A | 2a03:2880:f0fc:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f0fc::/48 | ||||||
| PTR | a.ns.facebook.com | ||||||
| A | 129.134.30.12🇺🇸 Facebook129.134.30.0/24 , Inc. | ||||||
| PTR | a.ns.facebook.com | ||||||
| NS | b.ns.facebook.com | ||||||
| A | 2a03:2880:f0fd:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f0fd::/48 | ||||||
| PTR | b.ns.facebook.com | ||||||
| A | 129.134.31.12🇺🇸 Facebook129.134.31.0/24 , Inc. | ||||||
| PTR | b.ns.facebook.com | ||||||
| NS | c.ns.facebook.com | ||||||
| A | 2a03:2880:f1fc:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f1fc::/48 | ||||||
| PTR | c.ns.facebook.com | ||||||
| A | 185.89.218.12🇮🇱 Facebook185.89.218.0/24 | ||||||
| PTR | c.ns.facebook.com | ||||||
| NS | d.ns.facebook.com | ||||||
| A | 2a03:2880:f1fd:c:face:b00c:0:35🇺🇸 Facebook2a03:2880:f1fd::/48 | ||||||
| PTR | d.ns.facebook.com | ||||||
| A | 185.89.219.12🇮🇱 Facebook185.89.219.0/24 | ||||||
| PTR | d.ns.facebook.com | ||||||
| TXT | v=spf1 a ~all | ||||||
| SOA | a.ns.facebook.comdns@facebook.com serial=4207849484 | ||||||
net
| 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=1771291465 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSa.ns.facebook.com2020-04-29 → 2026-03-14 · 2 obs
● 2026-03-14 08:38:18
●NSb.ns.facebook.com2020-04-29 → 2026-03-14 · 2 obs
● 2026-03-14 08:38:18
●NSc.ns.facebook.com2020-04-29 → 2026-03-14 · 2 obs
● 2026-03-14 08:38:18
●NSd.ns.facebook.com2020-04-29 → 2026-03-14 · 2 obs
● 2026-03-14 08:38:18
○MXmail.skrimple.com2017-01-03 → 2017-01-03 · 3 obs
○ 2018-01-28 12:51:46
○ 2026-03-14 08:38:18
○A103.51.144.812017-01-03 → 2017-01-03 · 3 obs
○ 2018-01-28 12:51:46
○ 2026-03-14 08:38:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | i.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net... | - |
| fbsv.net | a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com | - |
✅ Authoritative Response
Server: 129.134.30.12
NS records: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com, d.ns.facebook.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fbsv.net (unsigned zone)
⏱️ Timing
Total: 473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | a.ns.facebook.com, b.ns.facebook.com... |
| TXT | 1 | v=spf1 a ~all |
| SOA | 1 | a.ns.facebook.com dns.facebook.com |
Analysis
Hierarchy
fbsv.net is a parent of fwdproxy-lco-026.fbsv.net, fwdproxy-pnb-004.fbsv.net, fwdproxy-lla-024.fbsv.net, fwdproxy-frc-029.fbsv.net, fwdproxy-frc-010.fbsv.net and hundreds of other host names.
Name Servers
fbsv.net delegates to four name servers: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.
fbsv.net at least partially shares name servers with other domains, including faceboomk.de, facebooksocialgood.net, facebook.me, downpourinteractive.com and 225.171.69.in-addr.arpa.
Host names with two IP numbers: a.ns.facebook.com points to 2a03:2880:f0fc:c:face:b00c:0:35 and 129.134.30.12; b.ns.facebook.com points to 2a03:2880:f0fd:c:face:b00c:0:35 and 129.134.31.12; c.ns.facebook.com points to 2a03:2880:f1fc:c:face:b00c:0:35 and 185.89.218.12; d.ns.facebook.com points to 2a03:2880:f1fd:c:face:b00c:0:35 and 185.89.219.12.