firstscf.com - dns.ninja
firstscf.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:1a61🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:a841🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.97Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.168.65🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bob.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c168🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2168🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 108.162.193.104🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 172.64.33.104🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| A | 173.245.59.104🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bob.ns.cloudflare.com | ||||||
| NS | malavika.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26a5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | malavika.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2a5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | malavika.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22a5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | malavika.ns.cloudflare.com | ||||||
| A | 108.162.194.165🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | malavika.ns.cloudflare.com | ||||||
| A | 162.159.38.165Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | malavika.ns.cloudflare.com | ||||||
| A | 172.64.34.165🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | malavika.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.26.97, 172.67.168.65 | ||||||
| IPv6 hints | 2606:4700:3033::6815:1a61, 2606:4700:3036::ac43:a841 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com | ||||||
| SOA | bob.ns.cloudflare.comdns@cloudflare.com serial=2410163677 | ||||||
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=1786634934 | ||||||
Same first word
firstscf.com |
Similar names
DNS History
12 records (6 active, 6 former)
●NSbob.ns.cloudflare.com2026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 15:57:58
● 2026-08-13 15:58:00
○NSdns17.hichina.com2018-11-01 → 2018-11-01 · 3 obs
○ 2026-08-13 15:57:58
○ 2026-08-13 15:58:00
○NSdns18.hichina.com2018-11-01 → 2018-11-01 · 3 obs
○ 2026-08-13 15:57:58
○ 2026-08-13 15:58:00
○NSexpire1.gname-dns.com2026-08-13 → 2026-08-13 · 2 obs
○ 2026-08-13 15:58:00
○NSexpire2.gname-dns.com2026-08-13 → 2026-08-13 · 2 obs
○ 2026-08-13 15:58:00
●NSmalavika.ns.cloudflare.com2026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 15:57:58
● 2026-08-13 15:58:00
●A104.21.26.972026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 15:57:58
● 2026-08-13 15:58:00
○A125.208.26.422018-11-01 → 2018-11-01 · 3 obs
○ 2026-08-13 15:57:58
○ 2026-08-13 15:58:00
●A172.67.168.652026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 15:57:58
● 2026-08-13 15:58:00
●A2606:4700:3033::6815:1a612026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 15:57:58
● 2026-08-13 15:58:00
●A2606:4700:3036::ac43:a8412026-08-13 → 2026-08-13 · 3 obs
● 2026-08-13 15:57:58
● 2026-08-13 15:58:00
○CNAMEexp.gs-cdn.com2026-08-13 → 2026-08-13 · 2 obs
○ 2026-08-13 15:58:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net... | - |
| firstscf.com | bob.ns.cloudflare.com, malavika.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.165
NS records: bob.ns.cloudflare.com, malavika.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstscf.com (unsigned zone)
⏱️ Timing
Total: 57ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.26.97, 172.67.168.65 |
| AAAA | 2 | 2606:4700:3036::ac43:a841, 2606:4700:3033::6815:1a61 |
| NS | 2 | bob.ns.cloudflare.com, malavika.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bob.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (bob.ns.cloudflare.com, bob.ns.cloudflare.com, bob.ns.cloudflare.com...)
Analysis
IP Addresses
firstscf.com directs to four IP numbers, which are 104.21.26.97, 172.67.168.65, 2606:4700:3033::6815:1a61 and 2606:4700:3036::ac43:a841.
Among the host names that share IP numbers with firstscf.com are educationlinkers.com, sultansportv795.com, www.savepro.io and two others.
Name Servers
firstscf.com is served by two delegated name servers, bob.ns.cloudflare.com and malavika.ns.cloudflare.com.
firstscf.com has the same name server delegation as a number of other domains, such as jxcolor.com, tongmoe.com, bwmhyy.com and two more.
There is at least partial name server overlap between firstscf.com and other domains — 91hlw17.com, 3dwhangdingwzoustu.com.cn, mianfeideyouxijiasuqi.com.cn and two more among them.
These name servers are routinely deployed together with the name servers alberto.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
bob.ns.cloudflare.com carries IP addresses 108.162.193.104, 172.64.33.104 and 173.245.59.104, with 3 other addresses beyond those.
malavika.ns.cloudflare.com carries IP addresses 108.162.194.165, 162.159.38.165 and 172.64.34.165, with 3 other addresses beyond those.