synthflow.io - robtex.com

synthflow.io

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c413🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5237🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.55Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.196.19🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScharles.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b53🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A2803:f800:50::6ca2:c153🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcharles.ns.cloudflare.com
A2a06:98c1:50::ac40:2153🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcharles.ns.cloudflare.com
A108.162.193.83🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A172.64.33.83🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
A173.245.59.83🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcharles.ns.cloudflare.com
NScoraline.ns.cloudflare.com
A2606:4700:50::a29f:2658🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoraline.ns.cloudflare.com
A2803:f800:50::6ca2:c258🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoraline.ns.cloudflare.com
A2a06:98c1:50::ac40:2258🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoraline.ns.cloudflare.com
A108.162.194.88🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoraline.ns.cloudflare.com
A162.159.38.88Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoraline.ns.cloudflare.com
A172.64.34.88🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoraline.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c23::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A2607:f8b0:4004:c27::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadsk-in-f26.1e100.net
A2607:f8b0:4004:c29::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f26.1e100.net
A2607:f8b0:4004:c29::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadum-in-f27.1e100.net
A172.253.139.26🇺🇸 Google172.253.139.0/24
PTRyuiadsk-in-f26.1e100.net
A173.194.45.26🇺🇸 Google173.194.0.0/16
PTRyuiadum-in-f26.1e100.net
A173.194.45.27🇺🇸 Google173.194.0.0/16
PTRyuiadum-in-f27.1e100.net
A192.178.155.26🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f26.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f27.1e100.net
TXTgoogle-site-verification=k6jOAtEOrL7I0sseBEDHEeW4v3LWtetkYEnK6v9ol2E
TXTv=spf1 include:_spf.google.com include:_spf.synthflow_io._d.easydmarc.pro ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.82.55, 172.67.196.19
IPv6 hints2606:4700:3032::ac43:c413, 2606:4700:3037::6815:5237
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOAcharles.ns.cloudflare.comdns@cloudflare.com serial=2404029614

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1780473841

Same first word

synthflow.io
synthflow.ai
synthflow.dev

DNS History

7 records (7 active, 0 former)

NScharles.ns.cloudflare.comcoraline.ns.cloudflare.comMXsmtp.google.comA104.21.82.55172.67.196.192606:4700:3032::ac43:c4132606:4700:3037::6815:5237
●NScharles.ns.cloudflare.com2026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54
●NScoraline.ns.cloudflare.com2026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54
●MXsmtp.google.com2026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54
●A104.21.82.552026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54
●A172.67.196.192026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54
●A2606:4700:3032::ac43:c4132026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54
●A2606:4700:3037::6815:52372026-05-27 → 2026-06-03 · 2 obs
● 2026-05-27 21:33:38
● 2026-06-03 08:12:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
synthflow.iocoraline.ns.cloudflare.com, charles.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.88

NS records: coraline.ns.cloudflare.com, charles.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for synthflow.io (unsigned zone)

⏱️ Timing

Total: 2521ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.82.55, 172.67.196.19
AAAA22606:4700:3032::ac43:c413, 2606:4700:3037::6815:5237
NS2charles.ns.cloudflare.com, coraline.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT2google-site-verification=k6jOAtEOrL7I0ss, v=spf1 include:_spf.google.com include:_
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1charles.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

synthflow.io maps to 4 IP numbers, specifically 104.21.82.55, 172.67.196.19, 2606:4700:3032::ac43:c413 and 2606:4700:3037::6815:5237.

Two other host names, along with strangersnft.io, alpheraacademy.edu.bh and kmskatni.com, also share IP numbers with synthflow.io.

Name Servers

synthflow.io is delegated to two name servers: charles.ns.cloudflare.com and coraline.ns.cloudflare.com.

synthflow.io shares its NS records with other domains, for example synthflow.dev, polack.co.il, wunlay.com and two others.

The name servers of synthflow.io overlap at least partially with those of other domains — among them horaire-ouverture.fr, gxczwj.com, actcircle.com and two more.

DNS names with 6 IP addresses:

charles.ns.cloudflare.com resolves to 108.162.193.83, 172.64.33.83 and 173.245.59.83, along with three other IP addresses.

coraline.ns.cloudflare.com resolves to 108.162.194.88, 162.159.38.88 and 172.64.34.88, along with three other IP addresses.

Mail Servers

The sole mail server for synthflow.io is smtp.google.com.

Among the domains sharing a mail server setup with synthflow.io are fuero.es, steamhub.edu.vn, partyuniverse.ro and two others.

There is at least a partial MX overlap between synthflow.io and other domains, including barkojba.com, srimahosot.ac.th, nytaxiads.com and two others.

These mail servers frequently co-occur with the mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and two others.

smtp.google.com carries 9 IP addresses: 172.253.139.26, 173.194.45.26, 173.194.45.27 along with six more.