facebook.ac - robtex.com
facebook.ac
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.ns.facebook.com ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
ac
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.ac ⭐ | ||||||
| NS | a2.nic.ac | ||||||
| NS | b0.nic.ac | ||||||
| NS | c0.nic.ac | ||||||
| SOA | a0.nic.achostmaster@donuts.email serial=1785267557 | ||||||
Previously MX for
facebook.ac |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSa.ns.facebook.com2026-07-24 → 2026-07-28 · 3 obs
● 2026-07-24 14:35:48
● 2026-07-28 19:51:20
●NSb.ns.facebook.com2026-07-24 → 2026-07-28 · 3 obs
● 2026-07-24 14:35:48
● 2026-07-28 19:51:20
●NSc.ns.facebook.com2026-07-24 → 2026-07-28 · 3 obs
● 2026-07-24 14:35:48
● 2026-07-28 19:51:20
●NSd.ns.facebook.com2026-07-24 → 2026-07-28 · 3 obs
● 2026-07-24 14:35:48
● 2026-07-28 19:51:20
○NSns1.proxima-media.com2015-08-27 → 2019-08-26 · 4 obs
● 2019-08-26 21:44:48
○ 2026-07-24 14:35:48
○ 2026-07-28 19:51:20
○NSns2.proxima-media.com2015-08-27 → 2019-08-26 · 4 obs
● 2019-08-26 21:44:48
○ 2026-07-24 14:35:48
○ 2026-07-28 19:51:20
○MXfacebook.ac2015-08-27 → 2019-08-26 · 4 obs
● 2019-08-26 21:44:48
○ 2026-07-24 14:35:48
○ 2026-07-28 19:51:20
○A173.254.126.792015-08-27 → 2016-12-06 · 4 obs
● 2016-12-06 11:32:20
○ 2016-12-30 22:25:08
○ 2026-07-28 19:51:20
○A50.87.201.1752016-12-30 → 2019-08-26 · 5 obs
● 2016-12-30 22:25:08
● 2019-08-26 21:44:48
○ 2026-07-24 14:35:48
○ 2026-07-28 19:51:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | a0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac | - |
| facebook.ac | b.ns.facebook.com, a.ns.facebook.com, d.ns.facebook.com, c.ns.facebook.com | - |
✅ Authoritative Response
Server:185.89.219.12
NS records: b.ns.facebook.com, a.ns.facebook.com, d.ns.facebook.com, c.ns.facebook.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for facebook.ac (unsigned zone)
⏱️ Timing
Total: 1694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
Four name servers handle the delegation for facebook.ac: a.ns.facebook.com, b.ns.facebook.com, c.ns.facebook.com and d.ns.facebook.com.
At least some of facebook.ac's name servers are shared with other domains, for example gosing.com, prize-instagram.xyz, metaaivm.com and two more.
Four hostnames, each resolving to a pair of IP addresses: a.ns.facebook.com directs to 129.134.30.12 and 2a03:2880:f0fc:c:face:b00c:0:35; b.ns.facebook.com directs to 129.134.31.12 and 2a03:2880:f0fd:c:face:b00c:0:35; c.ns.facebook.com directs to 185.89.218.12 and 2a03:2880:f1fc:c:face:b00c:0:35; d.ns.facebook.com directs to 185.89.219.12 and 2a03:2880:f1fd:c:face:b00c:0:35.