fc-srv.net - robtex.com
fc-srv.net
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.fc-srv.net ⭐ | ||||||
| A | 68.87.72.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| NS | dns101.comcast.net | ||||||
| A | 2001:558:fe23:8:69:252:250:103🇺🇸 AS332872001:558:fe23::/48 | ||||||
| PTR | dns101.comcast.net | ||||||
| A | 69.252.250.103🇺🇸 COMCAST-IBONE69.240.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns101.comcast.net | ||||||
| NS | dns102.comcast.net | ||||||
| A | 2001:558:1004:7:68:87:85:132🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns102.comcast.net | ||||||
| A | 68.87.85.132🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns102.comcast.net | ||||||
| NS | dns103.comcast.net | ||||||
| A | 2001:558:1014:c:68:87:76:228🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns103.comcast.net | ||||||
| A | 68.87.76.228🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns103.comcast.net | ||||||
| NS | dns104.comcast.net | ||||||
| A | 2001:558:100a:5:68:87:68:244🇺🇸 AS77252001:558:100a::/48 | ||||||
| PTR | dns104.comcast.net | ||||||
| A | 68.87.68.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns104.comcast.net | ||||||
| NS | dns105.comcast.net | ||||||
| A | 2001:558:100e:5:68:87:72:244🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| A | 68.87.72.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 | ||||||
| PTR | dns105.comcast.net | ||||||
| SOA | ns.fc-srv.netdnsmaster@comcastonline.com serial=2008073658 | ||||||
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
ns.fc-srv.net |
Same first word
DNS History
8 records (6 active, 2 former)
●NSdns101.comcast.net2015-08-14 → 2026-03-24 · 2 obs
● 2026-03-24 11:10:36
●NSdns102.comcast.net2015-08-14 → 2026-03-24 · 2 obs
● 2026-03-24 11:10:36
●NSdns103.comcast.net2015-08-14 → 2026-03-24 · 2 obs
● 2026-03-24 11:10:36
●NSdns104.comcast.net2015-08-14 → 2026-03-24 · 2 obs
● 2026-03-24 11:10:36
●NSdns105.comcast.net2015-08-14 → 2026-03-24 · 2 obs
● 2026-03-24 11:10:36
●NSns.fc-srv.net2015-08-14 → 2026-03-24 · 2 obs
● 2026-03-24 11:10:36
○A165.160.13.202015-08-14 → 2016-12-25 · 4 obs
● 2016-12-25 11:27:40
○ 2026-02-18 13:57:26
○ 2026-03-24 11:10:36
○A165.160.15.202015-08-14 → 2016-12-25 · 4 obs
● 2016-12-25 11:27:40
○ 2026-02-18 13:57:26
○ 2026-03-24 11:10:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | k.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net... | - |
| fc-srv.net | dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net... | 10 records |
✅ Authoritative Response
Server:68.87.85.132
NS records: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 295ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | dns101.comcast.net, dns102.comcast.net... |
| SOA | 1 | ns.fc-srv.net dnsmaster.comcastonline.co |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (dns101.comcast.net, dns101.comcast.net, dns102.comcast.net...)
Analysis
Hierarchy
fc-srv.net is the parent of ns.fc-srv.net.
Name Servers
fc-srv.net is delegated to six name servers: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net and ns.fc-srv.net.
fc-srv.net at least partially shares name servers with other domains, for instance 79.176.67.in-addr.arpa, 42.67.75.in-addr.arpa, wdv.comcast.net, 100.59.98.in-addr.arpa and 83.98.24.in-addr.arpa.
these name servers are commonly used alongside ns.cmcsa.com.
Host names with two IP numbers:
dns101.comcast.net points to 2001:558:fe23:8:69:252:250:103 and 69.252.250.103.
dns102.comcast.net points to 2001:558:1004:7:68:87:85:132 and 68.87.85.132.
dns103.comcast.net points to 2001:558:1014:c:68:87:76:228 and 68.87.76.228.
dns104.comcast.net points to 2001:558:100a:5:68:87:68:244 and 68.87.68.244.
dns105.comcast.net points to 2001:558:100e:5:68:87:72:244 and 68.87.72.244.
Host names with one IP number:
ns.fc-srv.net points to 68.87.72.244.
Host names that point to 68.87.72.244: dns105.comcast.net and ns.fc-srv.net.