`sync-o.io`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8d76^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1b37^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.55^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.118^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elias.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c1d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c31d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elias.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:231d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elias.ns.cloudflare.com`
		A	108.162.195.29^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
		A	162.159.44.29^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
		A	172.64.35.29^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elias.ns.cloudflare.com`
NS	`fay.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c073^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2073^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fay.ns.cloudflare.com`
		A	108.162.192.115^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
		A	172.64.32.115^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
		A	173.245.58.115^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fay.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1f::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
		A	142.251.179.27^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=DYKuF35ZlL59pflrgVqB9Jf-2vtboBwh5eicxhCJHUY`
TXT	`google-site-verification=P4uV50mXjYbh1uyX2OIyqcOZ6aJ3QU7RKnSnvYS2v7A`
TXT	`google-site-verification=VYDow_UO54lZQyMNi8Xa1RcSs5ZQV1QcY8l4g7JTqbw`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.55, 172.67.141.118
		IPv6 hints	2606:4700:3032::ac43:8d76, 2606:4700:3037::6815:1b37
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=208, name=cloudflare-ech.com
SOA	`elias.ns.cloudflare.com`dns@cloudflare.com serial=2408489158

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1784921909

Same first word

sync-o.io

Similar names

ys-con.jp

s-ynoc.com

nys-co.com

ys-con.co.jp

co-syn.com

DNS History

12 records (7 active, 5 former)

●NSelias.ns.cloudflare.com2026-05-27 → 2026-07-24 · 2 obs

● 2026-05-27 21:53:16
● 2026-07-24 19:57:44

●NSfay.ns.cloudflare.com2026-05-27 → 2026-07-24 · 2 obs

● 2026-05-27 21:53:16
● 2026-07-24 19:57:44

○MXroute1.mx.cloudflare.net2026-05-27 → 2026-05-27 · 3 obs

● 2026-05-27 21:53:16
○ 2026-06-25 21:37:34
○ 2026-07-24 19:57:44

○MXroute2.mx.cloudflare.net2026-05-27 → 2026-05-27 · 3 obs

● 2026-05-27 21:53:16
○ 2026-06-25 21:37:34
○ 2026-07-24 19:57:44

○MXroute3.mx.cloudflare.net2026-05-27 → 2026-05-27 · 3 obs

● 2026-05-27 21:53:16
○ 2026-06-25 21:37:34
○ 2026-07-24 19:57:44

●MXsmtp.google.com2026-06-25 → 2026-07-24 · 3 obs

○ 2026-05-27 21:53:16
● 2026-06-25 21:37:34
● 2026-07-24 19:57:44

●A104.21.27.552026-05-27 → 2026-07-24 · 2 obs

● 2026-05-27 21:53:16
● 2026-07-24 19:57:44

●A172.67.141.1182026-05-27 → 2026-07-24 · 2 obs

● 2026-05-27 21:53:16
● 2026-07-24 19:57:44

○A2606:4700:3030::ac43:8d762026-05-27 → 2026-05-27 · 3 obs

● 2026-05-27 21:53:16
○ 2026-06-25 21:37:34
○ 2026-07-24 19:57:44

○A2606:4700:3032::6815:1b372026-05-27 → 2026-05-27 · 3 obs

● 2026-05-27 21:53:16
○ 2026-06-25 21:37:34
○ 2026-07-24 19:57:44

●A2606:4700:3032::ac43:8d762026-06-25 → 2026-07-24 · 3 obs

○ 2026-05-27 21:53:16
● 2026-06-25 21:37:34
● 2026-07-24 19:57:44

●A2606:4700:3037::6815:1b372026-06-25 → 2026-07-24 · 3 obs

○ 2026-05-27 21:53:16
● 2026-06-25 21:37:34
● 2026-07-24 19:57:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
sync-o.io	elias.ns.cloudflare.com, fay.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.115

NS records: elias.ns.cloudflare.com, fay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sync-o.io (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.55, 172.67.141.118`
AAAA	2	`2606:4700:3032::ac43:8d76, 2606:4700:3037::6815:1b37`
NS	2	`elias.ns.cloudflare.com, fay.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	4	`google-site-verification=DYKuF35ZlL59pfl, google-site-verification=P4uV50mXjYbh1uy...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elias.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

sync-o.io resolves to four IP addresses: 104.21.27.55, 172.67.141.118, 2606:4700:3032::ac43:8d76 and 2606:4700:3037::6815:1b37.

retain-software.ru, pirjo.co.uk, chadole.com and two other host names share IP numbers with sync-o.io.

Name Servers

DNS delegation for sync-o.io points to two name servers: elias.ns.cloudflare.com and fay.ns.cloudflare.com.

sync-o.io, ffala.com, natop.co.kr, srelectricnyc.com and lounge64.gr all share the same authoritative name server setup.

sync-o.io partially shares its NS delegation with several other domains, including kharidcharge.com, auteurtheoryonline.com, harrypotter-exposition.fr and two others.

These name servers regularly co-occur with the name servers kristina.ns.cloudflare.com, pete.ns.cloudflare.com and neil.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elias.ns.cloudflare.com has IP addresses 108.162.195.29, 162.159.44.29 and 172.64.35.29, plus 3 other.

fay.ns.cloudflare.com has IP addresses 108.162.192.115, 172.64.32.115 and 173.245.58.115, plus 3 other.

Mail Servers

Mail for sync-o.io is handled by a single mail server, smtp.google.com.

sync-o.io uses an identical mail server configuration to several other domains — among them ilsestante.it, whin.es, tourparkhawaii.com and two more.

sync-o.io has at least partial mail server overlap with other domains such as buvanha.com, aceaglobal.in, coachingwonders.com and two more.

smtp.google.com resolves to 9 IP addresses — 64.233.180.26, 142.251.179.26, 142.251.179.27 and 6 others.

sync-o.io - robtex.com

sync-o.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`sync-o.io`

`io`