cdn.flow.io - robtex.com

cdn.flow.io

DNSSEC⚠️ Not signed
A2606:4700::6811:1a4🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6811:fca3🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6811:fda3🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6811:fea3🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6811:ffa3🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.1.164Cloudflare104.17.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.252.163Cloudflare104.17.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.253.163Cloudflare104.17.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.254.163Cloudflare104.17.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.17.255.163Cloudflare104.17.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.17.1.164, 104.17.252.163, 104.17.253.163, 104.17.254.163, 104.17.255.163
IPv6 hints2606:4700::6811:1a4, 2606:4700::6811:fca3, 2606:4700::6811:fda3, 2606:4700::6811:fea3, 2606:4700::6811:ffa3

flow.io

DNSSEC⚠️ Not signed
A18.211.166.153🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
A34.202.203.47🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
A54.243.86.28🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix
NSpam.ns.cloudflare.com ⭐
NSrocky.ns.cloudflare.com
MXflow-io.mail.protection.outlook.com ⭐
TXTMS=DCE4C464B8F113271169FDAAD391B48F19C8E2E6
TXTMS=ms29170425
TXTMS=ms74930096
TXTatlassian-domain-verification=7wOHE3Xca8etvoZQeupIUDjffNbysWD5EadpYNYZvkJEGic...
TXTgoogle-site-verification=7fOKcgETfD-pJpwCqcSbl0_9bwd7PL5zTqWL6ydbJDI
TXTgoogle-site-verification=8GjYNyYwQ8RYPFypFhuenGfOWXkgIiamJfHgpE8U_1k
TXTgoogle-site-verification=Y7v1Vmudw0xc0QGaTyzHise57_9OH-zHIAB73KK1TUE
TXTv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:spf...
SOApam.ns.cloudflare.comdns@cloudflare.com serial=2403732398
WOT: SAFE (62/100)
rank #783080 globally
rank #6127 in the tld
WOT: SAFE (71/100)

Same first word

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DNS History

15 records (10 active, 5 former)

20192020202120222023202420252026A104.17.1.164104.17.252.163104.17.253.163104.17.254.163104.17.255.1632606:4700::6811:1a42606:4700::6811:fca32606:4700::6811:fda32606:4700::6811:fea32606:4700::6811:ffa32400:cb00:2048:1::6811:1a42400:cb00:2048:1::6811:fca32400:cb00:2048:1::6811:fda32400:cb00:2048:1::6811:fea32400:cb00:2048:1::6811:ffa3
●A104.17.1.1642018-06-29 → 2026-05-09 · 2 obs
● 2018-06-29 09:58:42
● 2026-05-09 15:17:28
●A104.17.252.1632018-06-29 → 2026-05-09 · 2 obs
● 2018-06-29 09:58:42
● 2026-05-09 15:17:28
●A104.17.253.1632018-06-29 → 2026-05-09 · 2 obs
● 2018-06-29 09:58:42
● 2026-05-09 15:17:28
●A104.17.254.1632018-06-29 → 2026-05-09 · 2 obs
● 2018-06-29 09:58:42
● 2026-05-09 15:17:28
●A104.17.255.1632018-06-29 → 2026-05-09 · 2 obs
● 2018-06-29 09:58:42
● 2026-05-09 15:17:28
○A2400:cb00:2048:1::6811:1a42018-06-29 → 2018-06-29 · 3 obs
● 2018-06-29 09:58:42
○ 2026-03-04 15:52:18
○ 2026-05-09 15:17:28
○A2400:cb00:2048:1::6811:fca32018-06-29 → 2018-06-29 · 3 obs
● 2018-06-29 09:58:42
○ 2026-03-04 15:52:18
○ 2026-05-09 15:17:28
○A2400:cb00:2048:1::6811:fda32018-06-29 → 2018-06-29 · 3 obs
● 2018-06-29 09:58:42
○ 2026-03-04 15:52:18
○ 2026-05-09 15:17:28
○A2400:cb00:2048:1::6811:fea32018-06-29 → 2018-06-29 · 3 obs
● 2018-06-29 09:58:42
○ 2026-03-04 15:52:18
○ 2026-05-09 15:17:28
○A2400:cb00:2048:1::6811:ffa32018-06-29 → 2018-06-29 · 3 obs
● 2018-06-29 09:58:42
○ 2026-03-04 15:52:18
○ 2026-05-09 15:17:28
●A2606:4700::6811:1a42026-03-04 → 2026-05-09 · 3 obs
○ 2018-06-29 09:58:42
● 2026-03-04 15:52:18
● 2026-05-09 15:17:28
●A2606:4700::6811:fca32026-03-04 → 2026-05-09 · 3 obs
○ 2018-06-29 09:58:42
● 2026-03-04 15:52:18
● 2026-05-09 15:17:28
●A2606:4700::6811:fda32026-03-04 → 2026-05-09 · 3 obs
○ 2018-06-29 09:58:42
● 2026-03-04 15:52:18
● 2026-05-09 15:17:28
●A2606:4700::6811:fea32026-03-04 → 2026-05-09 · 3 obs
○ 2018-06-29 09:58:42
● 2026-03-04 15:52:18
● 2026-05-09 15:17:28
●A2606:4700::6811:ffa32026-03-04 → 2026-05-09 · 3 obs
○ 2018-06-29 09:58:42
● 2026-03-04 15:52:18
● 2026-05-09 15:17:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
iob0.nic.io, a2.nic.io, a0.nic.io, c0.nic.io-
flow.iopam.ns.cloudflare.com, rocky.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.227

NS records: pam.ns.cloudflare.com, rocky.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flow.io (unsigned zone)

⏱️ Timing

Total: 488ms | Queries: -

📄 Records

TypeCountSample Data
A5104.17.255.163, 104.17.253.163...
AAAA52606:4700::6811:ffa3, 2606:4700::6811:fca3...
HTTPS1{"priority":1,"target":".","alpn":["h2"]

Analysis

IP Addresses

Ten IP numbers are pointed to by cdn.flow.io: 2606:4700::6811:1a4, 2606:4700::6811:fca3, 2606:4700::6811:fda3, 2606:4700::6811:fea3, 2606:4700::6811:ffa3, 104.17.1.164, 104.17.252.163, 104.17.253.163, 104.17.254.163 and 104.17.255.163.

Other host names such as track.flow.io, api-cf.flow.io, beacon.flow.io and api.flow.io share IP numbers with cdn.flow.io.