`jernru.com`

DNSSEC	⚠️ Not signed
NS	`2019stdmail130` ⭐
NS	`dns1.ugear.com.tw`
		A	60.251.109.196^{🇹🇼 HiNet60.251.0.0/16}
			PTR	`60-251-109-196.hinet-ip.hinet.net`
NS	`dns5.ugear.com.tw` ⚠️ Not in zone NS records
		A	60.251.109.200^{🇹🇼 HiNet60.251.0.0/16}
			PTR	`mail.ting-wen.com`
			PTR	`mail.ugear.com.tw`
MX	`mail.jernru.com` ⭐
		A	60.251.109.200^{🇹🇼 HiNet60.251.0.0/16}
			PTR	`mail.ting-wen.com`
			PTR	`mail.ugear.com.tw`
TXT	`v=spf1 a:jernru.com mx:mail.jernru.com ip4:60.251.109.199 ip4:60.251.109.200 ...`
SOA	`2019stdmail130`admin@ugear.com.tw serial=16

`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=1774380302

Subdomains

mail.jernru.com

Same first word

jernru.com

Similar names

rujner.com

rjuner.com

DNS History

6 records (4 active, 2 former)

●NS2019stdmail1302026-03-24 → 2026-03-24 · 2 obs

○ 2016-09-13 12:30:32
● 2026-03-24 19:43:04

○NSdnd1.ugear.com.tw2015-07-09 → 2015-11-12 · 5 obs

○ 2008-03-16 18:49:40
● 2015-07-09 12:37:22
● 2015-11-12 01:20:24
○ 2016-02-08 05:09:50
○ 2026-03-24 19:43:04

○NSdnd5.ugear.com.tw2015-07-09 → 2016-09-13 · 6 obs

○ 2008-03-16 18:49:40
● 2015-07-09 12:37:22
○ 2015-11-12 01:20:24
● 2016-02-08 05:09:50
● 2016-09-13 12:30:32
○ 2026-03-24 19:43:04

●NSdns1.ugear.com.tw2015-07-09 → 2026-03-24 · 3 obs

○ 2008-03-16 18:49:40
● 2015-07-09 12:37:22
● 2026-03-24 19:43:04

●NSdns5.ugear.com.tw2026-03-24 → 2026-03-24 · 2 obs

○ 2016-09-13 12:30:32
● 2026-03-24 19:43:04

●MXmail.jernru.com2015-07-09 → 2026-03-24 · 3 obs

○ 2008-03-16 18:49:40
● 2015-07-09 12:37:22
● 2026-03-24 19:43:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
jernru.com	dns1.ugear.com.tw, dns5.ugear.com.tw	-

✅ Authoritative Response

Server:60.251.109.200

NS records: dns1.ugear.com.tw, dns5.ugear.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jernru.com (unsigned zone)

⏱️ Timing

Total: 1261ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	1	`dns1.ugear.com.tw`
MX	1	`mail.jernru.com (pri: 10)`
TXT	1	`v=spf1 a:jernru.com mx:mail.jernru.com i`
SOA	1	`2019stdmail130 admin.ugear.com.tw`

Analysis

Hierarchy

jernru.com is the parent of mail.jernru.com.

Name Servers

jernru.com is delegated to three name servers 2019stdmail130, dns1.ugear.com.tw and dns5.ugear.com.tw.

jernru.com at least partially shares name servers with other domains, for instance ugear.com.tw, 25623388.com.tw, ugear.tw, www.innopharmax.com and hintoninfo.com.

these name servers are commonly used alongside 2012r2dns3.ugear.com.tw.

Host names with one IP number:

dns1.ugear.com.tw points to 60.251.109.196

dns5.ugear.com.tw points to 60.251.109.200

Mail Servers

jernru.com is handled by a single mail server, mail.jernru.com.

mail.jernru.com resolves to IP 60.251.109.200.

jernru.com - robtex.com

jernru.com

com