onecal.io - robtex.com

onecal.io

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
PTRip-76-76-21-21.defastlink.net
NSmelnicoff.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A2803:f800:50::6ca2:c3ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelnicoff.ns.cloudflare.com
A2a06:98c1:50::ac40:23ae🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelnicoff.ns.cloudflare.com
A108.162.195.174🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A162.159.44.174Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
A172.64.35.174🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelnicoff.ns.cloudflare.com
NSophelia.ns.cloudflare.com
A2606:4700:50::a29f:26f8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
A2803:f800:50::6ca2:c2f8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRophelia.ns.cloudflare.com
A2a06:98c1:50::ac40:22f8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRophelia.ns.cloudflare.com
A108.162.194.248🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
A162.159.38.248Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
A172.64.34.248🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRophelia.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTMS=D16B82C3D592BBB3C3ABBC72C6BA7B4B5003A48B
TXTahrefs-site-verification_ab1249a86bb51e11c9aec399f6811c57fdee761333c3296ab128...
TXTbrevo-code:77c26abe4fbf8fb0f3311907bd888212
TXTgoogle-site-verification=LbQhhh86-tORc2ZVmnKKgAXAoRgfv3G_FYJvaslJro0
TXTklaviyo-site-verification=W7pKDS
TXTv=spf1 include:spf.privateemail.com include:_spf.google.com include:amazonses...
SOAmelnicoff.ns.cloudflare.comdns@cloudflare.com serial=2398971229

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1773494468
rank #646151 globally
rank #4593 in the tld

Same first word

onecal.net
onecal.io
onecal.com

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DNS History

8 records (8 active, 0 former)

NSmelnicoff.ns.cloudflare.comophelia.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA76.76.21.21
●NSmelnicoff.ns.cloudflare.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●NSophelia.ns.cloudflare.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●MXalt1.aspmx.l.google.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●MXalt2.aspmx.l.google.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●MXalt3.aspmx.l.google.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●MXalt4.aspmx.l.google.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●MXaspmx.l.google.com2026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10
●A76.76.21.212026-03-13 → 2026-03-23 · 2 obs
● 2026-03-13 04:14:02
● 2026-03-23 07:33:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
onecal.iomelnicoff.ns.cloudflare.com, ophelia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.248

NS records: melnicoff.ns.cloudflare.com, ophelia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onecal.io (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS2melnicoff.ns.cloudflare.com, ophelia.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT6MS=D16B82C3D592BBB3C3ABBC72C6BA7B4B5003A, ahrefs-site-verification_ab1249a86bb51e1...
SOA1melnicoff.ns.cloudflare.com dns.cloudfla

Analysis

IP Addresses

onecal.io resolves to a single IP address: 76.76.21.21.

Other host names including macar.be, talentcart.com, yuqiweb.com, gebaeudetechnik.delta-gruppe.de and no1chinesematawan.com share IP numbers with onecal.io.

Name Servers

onecal.io's delegation uses two name servers, melnicoff.ns.cloudflare.com and ophelia.ns.cloudflare.com.

onecal.io shares the same name server setup as other domains, for example aeriel.cheap, hzlvhua.com, bjcqsz.com, tuituischool.com and xcvyuiopll.xyz.

onecal.io at least partially shares name servers with other domains, including avzd7.motorcycles, nfigroup.com, dibotherm.com, justiceconnect.us and ignt.com.

These name servers are often used together with jen.ns.cloudflare.com.

Host names with six IP numbers:

melnicoff.ns.cloudflare.com points to: 2606:4700:58::a29f:2cae, 2803:f800:50::6ca2:c3ae, 2a06:98c1:50::ac40:23ae, 108.162.195.174, 162.159.44.174 and 172.64.35.174.

ophelia.ns.cloudflare.com points to: 2606:4700:50::a29f:26f8, 2803:f800:50::6ca2:c2f8, 2a06:98c1:50::ac40:22f8, 108.162.194.248, 162.159.38.248 and 172.64.34.248.

Mail Servers

onecal.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

The mail servers for onecal.io are shared with other domains, for instance ns500759.ns500759.ns500758.ns500735.ns500698.ns500735.ns500736.ns500736.ns500735.ns500735.ns500698.ns500576.ns500698.ns500708.ns500576.ns500652.ns500576.trackreceptor.com, ns500671.ns500731.ns500731.ns500671.ns500704.ns500705.ns500705.ns500688.ns500291.ns500291.ns500291.ns500131.lustychickser.com, barcode1.in, infiniwell.com and ns500758.ns500698.ns500698.ns500758.ns500735.ns500736.ns500736.ns500576.ns500708.ns500698.ns500652.ns500576.trackreceptor.com.

these mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.

alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.

alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.