cstd.io - dns.ninja

๐Ÿ›ก๏ธDomain Reputation CheckBlocklist, phishing & malware statusโ†’

cstd.io

DNSSECโš ๏ธ Not signed
NSns-381.awsdns-47.com โญ
A2600:9000:5301:7d00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5301::/48 - CloudFront
PTRns-381.awsdns-47.com
A205.251.193.125๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.193.0/24 prefix
PTRns-381.awsdns-47.com
NSns-1399.awsdns-46.org
A2600:9000:5305:7700::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5305::/48 - CloudFront
PTRns-1399.awsdns-46.org
A205.251.197.119๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.197.0/24 prefix
PTRns-1399.awsdns-46.org
NSns-1837.awsdns-37.co.uk
A2600:9000:5307:2d00::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5307::/48 - CloudFront
PTRns-1837.awsdns-37.co.uk
A205.251.199.45๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.199.0/24 prefix
PTRns-1837.awsdns-37.co.uk
NSns-642.awsdns-16.net
A2600:9000:5302:8200::1๐Ÿ‡บ๐Ÿ‡ธ Amazon2600:9000:5302::/48 - CloudFront
PTRns-642.awsdns-16.net
A205.251.194.130๐Ÿ‡บ๐Ÿ‡ธ Amazon205.251.194.0/24 prefix
PTRns-642.awsdns-16.net
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c1d::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A172.253.139.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.139.0/24
PTRyuiadsk-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c14::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A192.178.234.27๐Ÿ‡บ๐Ÿ‡ธ Google192.178.0.0/15
PTRncsclj-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c14::1a๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A192.178.234.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.0.0/15
PTRncsclj-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f26.1e100.net
TXTgoogle-site-verification=z4oasXV4_B9iD76z9SQ954ROwepwqPjlatQcjCMQZgw
SOAns-381.awsdns-47.comawsdns-hostmaster@amazon.com serial=1

io

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa0.nic.io โญ
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1786919037

Same first word

Similar names

DNS History

10 records (9 active, 1 former)

20162017201820192020202120222023202420252026NSns-1399.awsdns-46.orgns-1837.awsdns-37.co.ukns-381.awsdns-47.comns-642.awsdns-16.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA50.87.144.116
โ—NSns-1399.awsdns-46.org2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—NSns-1837.awsdns-37.co.uk2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—NSns-381.awsdns-47.com2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—NSns-642.awsdns-16.net2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—MXalt1.aspmx.l.google.com2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—MXalt2.aspmx.l.google.com2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—MXaspmx.l.google.com2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—MXaspmx2.googlemail.com2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—MXaspmx3.googlemail.com2026-03-16 โ†’ 2026-08-16 ยท 2 obs
โ— 2026-03-16 02:32:34
โ— 2026-08-16 22:52:52
โ—‹A50.87.144.1162015-08-16 โ†’ 2016-06-06 ยท 4 obs
โ— 2015-08-16 09:52:14
โ— 2016-06-06 17:02:12
โ—‹ 2016-06-26 18:20:36
โ—‹ 2026-08-16 22:52:52

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
cstd.ions-1837.awsdns-37.co.uk, ns-642.awsdns-16.net, ns-381.awsdns-47.com, ns-1399.awsdns-46.org-

โœ… Authoritative Response

Server:205.251.199.45

NS records: ns-1837.awsdns-37.co.uk, ns-642.awsdns-16.net, ns-381.awsdns-47.com, ns-1399.awsdns-46.org

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for cstd.io (unsigned zone)

โฑ๏ธ Timing

Total: 1412ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
NS4ns-1399.awsdns-46.org, ns-1837.awsdns-37.co.uk...
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT1google-site-verification=z4oasXV4_B9iD76
SOA1ns-381.awsdns-47.com awsdns-hostmaster.a

Analysis

Name Servers

The authoritative name servers for cstd.io are ns-381.awsdns-47.com, ns-642.awsdns-16.net, ns-1399.awsdns-46.org and ns-1837.awsdns-37.co.uk.

The name servers of cstd.io overlap at least partially with those of other domains โ€” among them optimal-designs.com, 188.146.216.in-addr.arpa, 83zk.com and two more.

Each of the four hosts ns-381.awsdns-47.com, ns-642.awsdns-16.net, ns-1399.awsdns-46.org and ns-1837.awsdns-37.co.uk has two IP addresses. ns-381.awsdns-47.com points to 205.251.193.125 and 2600:9000:5301:7d00::1. ns-642.awsdns-16.net points to 205.251.194.130 and 2600:9000:5302:8200::1. ns-1399.awsdns-46.org points to 205.251.197.119 and 2600:9000:5305:7700::1. ns-1837.awsdns-37.co.uk points to 205.251.199.45 and 2600:9000:5307:2d00::1.

Mail Servers

Five mail servers handle cstd.io: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

cstd.io has at least partial mail server overlap with other domains such as kanhellas.com, typity.com, natrolabs.com and two more.

These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Hostnames that resolve to two IP addresses:

The A records for aspmx2.googlemail.com return 192.178.234.26 and 2800:3f0:4003:c14::1a.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

The A records for aspmx.l.google.com return 172.253.139.27 and 2607:f8b0:4004:c1d::1a.

The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.