`api.ciscocalls.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:49dd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9657^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.221^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.87^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.221, 172.67.150.87
		IPv6 hints	2606:4700:3037::6815:49dd, 2606:4700:3037::ac43:9657
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com

`ciscocalls.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:49dd^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9657^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.221^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.87^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ariella.ns.cloudflare.com` ⭐
NS	`lennon.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.221, 172.67.150.87
		IPv6 hints	2606:4700:3037::6815:49dd, 2606:4700:3037::ac43:9657
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOA	`ariella.ns.cloudflare.com`dns@cloudflare.com serial=2400113921

⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: tif

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DNS History

4 records (4 active, 0 former)

●A104.21.73.2212026-05-03 → 2026-05-15 · 2 obs

● 2026-05-03 10:12:30
● 2026-05-15 19:27:54

●A172.67.150.872026-05-03 → 2026-05-15 · 2 obs

● 2026-05-03 10:12:30
● 2026-05-15 19:27:54

●A2606:4700:3037::6815:49dd2026-05-03 → 2026-05-15 · 2 obs

● 2026-05-03 10:12:30
● 2026-05-15 19:27:54

●A2606:4700:3037::ac43:96572026-05-03 → 2026-05-15 · 2 obs

● 2026-05-03 10:12:30
● 2026-05-15 19:27:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ciscocalls.com	ariella.ns.cloudflare.com, lennon.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.165

NS records: ariella.ns.cloudflare.com, lennon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciscocalls.com (unsigned zone)

⏱️ Timing

Total: 231ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.150.87, 104.21.73.221`
AAAA	2	`2606:4700:3037::ac43:9657, 2606:4700:3037::6815:49dd`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ariella.ns.cloudflare.com, ariella.ns.cloudflare.com, ariella.ns.cloudflare.com...)

Analysis

IP Addresses

api.ciscocalls.com maps to four IP numbers: 2606:4700:3037::6815:49dd, 2606:4700:3037::ac43:9657, 104.21.73.221 and 172.67.150.87.

Other host names, for instance jizi.jp, flexotoneweb.com, jnlq5.com, up-front.com and obxnewspaperdelivery.com share IP numbers with api.ciscocalls.com.

api.ciscocalls.com - robtex.com