`toukb.com`

DNSSEC	⚠️ Not signed
A	220.228.6.236^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
NS	`dns1.f1.com.tw` ⭐ ⚠️ Not in parent delegation
		A	218.32.213.234^{🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp234.f1.com.tw`
NS	`dns2.f1.com.tw` ⚠️ Not in parent delegation
		A	220.228.6.17^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
NS	`ns1.icstock.com.tw` ⚠️ Not in zone NS records
		A	218.32.213.228^{🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp228.f1.com.tw`
NS	`ns2.icstock.com.tw` ⚠️ Not in zone NS records
		A	218.32.210.72^{🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp72.f1.com.tw`
NS	`sp234.f1.com.tw` ⚠️ Not in zone NS records
		A	218.32.213.234^{🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd.}
			PTR	`sp234.f1.com.tw`
MX	`toukb.com` ⭐
		A	220.228.6.236^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
MX	`www.toukb.com`⁽¹⁴⁾
		A	220.228.6.236^{🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd.}
SOA	`dns1.f1.com.tw`ohgo@ms23.hinet.net 2000-11-01 #8

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774558757

MX for

toukb.com

Same first word

toukb.com

Similar names

butko.eu

kubot.it

uktob.com

kutob.net

tobuk.com

kubot.xyz

butko.com.hr

outbk.com

bukto.com

ktubo.pt

butko.net

okbut.com

bokut.in

botuk.de

bkuto.top

botuk.com

kutob.com

kobut.com

kotub.com

butok.com

kutbo.org.tr

kubot.ru

butko.com

ukbot.com

butko.com.au

butko.sk

butko.de

tokub.com

tubko.com

kubot.cn

tboku.hatenablog.com

DNS History

8 records (8 active, 0 former)

●NSdns1.f1.com.tw2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●NSdns2.f1.com.tw2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●NSns1.icstock.com.tw2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●NSns2.icstock.com.tw2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●NSsp234.f1.com.tw2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●MXtoukb.com2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●MXwww.toukb.com2026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

●A220.228.6.2362026-02-25 → 2026-03-26 · 2 obs

● 2026-02-25 01:34:56
● 2026-03-26 21:07:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
toukb.com	ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw	-

✅ Authoritative Response

Server:218.32.213.228

NS records: ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for toukb.com (unsigned zone)

⏱️ Timing

Total: 1264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.228.6.236`
NS	2	`dns1.f1.com.tw, dns2.f1.com.tw`
MX	2	`toukb.com (pri: 10), www.toukb.com (pri: 14)`
SOA	1	`dns1.f1.com.tw ohgo.ms23.hinet.net`

Analysis

Mail Server Role

toukb.com serves as a mail server for toukb.com.

www.toukb.com commonly serves as a mail server together with toukb.com.

IP Addresses

toukb.com points to a single IP: 220.228.6.236.

Other host names, for instance nicehi.info, m224.com, www.n842.com, 0204miss.com and meme104-chat.com share IP numbers with toukb.com.

Name Servers

toukb.com is delegated to five name servers: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw, ns1.icstock.com.tw and ns2.icstock.com.tw.

toukb.com at least partially shares its name servers with other domains, for instance l676.info, v364.com, (0x736578)y919.com, j840.com and g752.com.