wktoco.com - robtex.com

wktoco.com

DNSSEC⚠️ Not signed
A103.19.27.151🇭🇰 UDOMAIN-AS-AP103.19.27.0/24 Web Host Ltd Unit A-D, 6th Floor, Wing Cheung Industrial Building, No. 109 How Ming Street, Kwun Tong, Kowloon.
PTRvps8594.youcloud.hk
NSns2.newsbook.net ⚠️ Not in zone NS records
A114.142.153.131🇭🇰 ASN-DYXNET-HK-AP114.142.152.0/21 Diyixian.com Limited 37/F, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong, New Territories,
PTRstatic-ip-131-153-142-114.rev.dyxnet.com
NSns52.newsbook.net ⚠️ Not in zone NS records
A114.142.153.136🇭🇰 ASN-DYXNET-HK-AP114.142.152.0/21 Diyixian.com Limited 37/F, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong, New Territories,
PTRns52.newsbook.net
MXmx1.aycasia.com ⭐
A2406:3400:280:8::10🇦🇺 EXETEL-AS-AP2406:3400:200::/40 Exetel Pty Ltd Level 5, 121 Walker Street
PTRfe1-r6-in.sy5.l.antispamcloud.com
A206.148.0.133🇨🇭 AS16633206.148.0.0/24 Proxy route object registered by AS38195
PTRfe1-r6-in.sy5.l.antispamcloud.com
MXmx2.aycasia.com(20)
A2406:3400:280:8::12🇦🇺 EXETEL-AS-AP2406:3400:200::/40 Exetel Pty Ltd Level 5, 121 Walker Street
PTRfe2-r6-in.sy5.l.antispamcloud.com
A206.148.0.31🇨🇭 AS16633206.148.0.0/24 Proxy route object registered by AS38195
PTRfe2-r6-in.sy5.l.antispamcloud.com
MXmx3.aycasia.com(30)
A2406:3400:280:8::10🇦🇺 EXETEL-AS-AP2406:3400:200::/40 Exetel Pty Ltd Level 5, 121 Walker Street
PTRfe1-r6-in.sy5.l.antispamcloud.com
A206.148.0.133🇨🇭 AS16633206.148.0.0/24 Proxy route object registered by AS38195
PTRfe1-r6-in.sy5.l.antispamcloud.com
MXmx4.aycasia.com(40)
A2406:3400:280:8::12🇦🇺 EXETEL-AS-AP2406:3400:200::/40 Exetel Pty Ltd Level 5, 121 Walker Street
PTRfe2-r6-in.sy5.l.antispamcloud.com
A206.148.0.31🇨🇭 AS16633206.148.0.0/24 Proxy route object registered by AS38195
PTRfe2-r6-in.sy5.l.antispamcloud.com

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774640577

Subdomains

smtpgw.wktoco.com
mail.wktoco.com

Same first word

wktoco.com

Similar names

otwock.com
twcook.com
otwock.pl
otwock.net
otwock.tv
otwock.com.pl
otwock.sr.gov.pl

DNS History

12 records (7 active, 5 former)

2008201020122014201620182020202220242026NSns2.newsbook.netns52.newsbook.netMXmx1.aycasia.commx2.aycasia.commx3.aycasia.commx4.aycasia.comsmtpgw.wktoco.comA103.19.27.151115.160.152.14202.181.134.160203.98.177.19958.64.205.169
●NSns2.newsbook.net2007-11-08 → 2026-03-27 · 5 obs
● 2007-11-08 03:25:00
● 2015-10-29 05:27:26
○ 2016-01-13 23:28:28
● 2016-05-05 10:38:22
● 2026-03-27 20:04:24
●NSns52.newsbook.net2007-11-08 → 2026-03-27 · 7 obs
● 2007-11-08 03:25:00
● 2015-06-29 13:15:14
○ 2015-10-29 05:27:26
● 2016-01-13 23:28:28
○ 2016-05-05 10:38:22
● 2017-10-07 17:40:26
● 2026-03-27 20:04:24
●MXmx1.aycasia.com2016-01-13 → 2026-03-27 · 7 obs
○ 2015-10-29 05:27:26
● 2016-01-13 23:28:28
● 2026-03-25 06:33:08
○ 2026-03-26 18:06:58
○ 2026-03-27 06:16:20
● 2026-03-27 20:04:22
● 2026-03-27 20:04:24
●MXmx2.aycasia.com2016-01-13 → 2026-03-27 · 7 obs
○ 2015-10-29 05:27:26
● 2016-01-13 23:28:28
● 2026-03-25 06:33:08
○ 2026-03-26 18:06:58
○ 2026-03-27 06:16:20
● 2026-03-27 20:04:22
● 2026-03-27 20:04:24
●MXmx3.aycasia.com2016-01-13 → 2026-03-27 · 7 obs
○ 2015-10-29 05:27:26
● 2016-01-13 23:28:28
● 2026-03-25 06:33:08
○ 2026-03-26 18:06:58
○ 2026-03-27 06:16:20
● 2026-03-27 20:04:22
● 2026-03-27 20:04:24
●MXmx4.aycasia.com2016-01-13 → 2026-03-27 · 7 obs
○ 2015-10-29 05:27:26
● 2016-01-13 23:28:28
● 2026-03-25 06:33:08
○ 2026-03-26 18:06:58
○ 2026-03-27 06:16:20
● 2026-03-27 20:04:22
● 2026-03-27 20:04:24
○MXsmtpgw.wktoco.com2007-11-08 → 2015-10-29 · 4 obs
● 2007-11-08 03:25:00
● 2015-10-29 05:27:26
○ 2016-01-13 23:28:28
○ 2026-03-27 20:04:24
●A103.19.27.1512026-03-19 → 2026-03-27 · 3 obs
○ 2026-02-19 04:36:06
● 2026-03-19 03:40:32
● 2026-03-27 20:04:24
○A115.160.152.142015-10-29 → 2015-10-29 · 4 obs
○ 2015-06-29 13:15:14
● 2015-10-29 05:27:26
○ 2016-01-13 23:28:28
○ 2026-03-27 20:04:24
○A202.181.134.1602017-10-07 → 2017-10-07 · 4 obs
○ 2016-05-05 10:38:22
● 2017-10-07 17:40:26
○ 2026-02-19 04:36:06
○ 2026-03-27 20:04:24
○A203.98.177.1992007-11-08 → 2007-11-08 · 3 obs
● 2007-11-08 03:25:00
○ 2015-06-29 13:15:14
○ 2026-03-27 20:04:24
○A58.64.205.1692015-06-29 → 2016-05-05 · 7 obs
○ 2007-11-08 03:25:00
● 2015-06-29 13:15:14
○ 2015-10-29 05:27:26
● 2016-01-13 23:28:28
● 2016-05-05 10:38:22
○ 2017-10-07 17:40:26
○ 2026-03-27 20:04:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
wktoco.comns2.newsbook.net, ns52.newsbook.net-

✅ Authoritative Response

Server:114.142.153.136

NS records: ns2.newsbook.net, ns52.newsbook.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wktoco.com (unsigned zone)

⏱️ Timing

Total: 1236ms | Queries: -

📄 Records

TypeCountSample Data
A1103.19.27.151
NS2ns52.newsbook.net, ns2.newsbook.net

Analysis

Hierarchy

wktoco.com is parent of smtpgw.wktoco.com and mail.wktoco.com.

IP Addresses

wktoco.com points to a single IP number: 103.19.27.151.

other host names for instance solomann.com, lcp.edu.hk, mail.webberry.net, fmml.edu.hk and www.stwdcfwms.edu.hk share IP numbers with wktoco.com.

Name Servers

wktoco.com is delegated to two name servers: ns2.newsbook.net and ns52.newsbook.net.

wktoco.com shares the same name server setup as other domains, for example kyh.com, talentpacific.com, sitaclassic.com.hk, rcl.com.hk and stratos.com.hk.

wktoco.com at least partially shares name servers with other domains, for instance bestcom.com.hk, newbook.net, kingon.com.hk, marvelmark.com and hksunlight.com.

These name servers are commonly used with ns33.newsbook.net, super.newsbook.net, ns8.newsbook.net and ns32.newsbook.net.

Host names with one IP number:

The host ns2.newsbook.net points to 114.142.153.131 and the host ns52.newsbook.net points to 114.142.153.136.

Mail Servers

Four mail servers handle wktoco.com: mx1.aycasia.com, mx2.aycasia.com, mx3.aycasia.com and mx4.aycasia.com.

wktoco.com shares mail servers with other domains at least partially, including fe-dl.com, onwayexpress.com, epi-epi.com, junction-ltd.com and kki-china.com.

these mail servers are commonly used alongside fedl-com0e.mail.protection.outlook.com.

Host mx1.aycasia.com points to 2406:3400:280:8::10 and 206.148.0.133.

Host mx2.aycasia.com points to 2406:3400:280:8::12 and 206.148.0.31.

Host mx3.aycasia.com points to 2406:3400:280:8::10 and 206.148.0.133.

Host mx4.aycasia.com points to 2406:3400:280:8::12 and 206.148.0.31.

Hosts pointing to 2406:3400:280:8::10: mx1.aycasia.com and mx3.aycasia.com.

Hosts pointing to 206.148.0.133: mx1.aycasia.com and mx3.aycasia.com.

Hosts pointing to 2406:3400:280:8::12: mx2.aycasia.com and mx4.aycasia.com.

Hosts pointing to 206.148.0.31: mx2.aycasia.com and mx4.aycasia.com.