`job15.com`

DNSSEC	⚠️ Not signed
A	127.0.0.1
NS	`ns1.dnbiz.com` ⚠️ Not in zone NS records
NS	`ns2.dnbiz.com` ⚠️ Not in zone NS records
MX	`mail.happyisp.com` ⭐
		A	5.161.49.68^{🇺🇸 HETZNER-CLOUD2-AS5.161.49.0/24}
			PTR	`mail.happyisp.com`
		A	137.184.158.105^{🇺🇸 DIGITALOCEAN137.184.144.0/20 DigitalOcean}
			PTR	`mail.happyisp.com`
TXT	`v=spf1 ip6:fd0d:d741:e183::/48 -all`

`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=1774520582

Previously NS for

job15.com

Same first word

job15.com

Similar names

51job.hk

51job.co

job51.com

51job.com

51job.com.hk

51job.com.tw

51job.yn.cn

jbo51.com

51job.ph

51job.ca

51obj.cn

15job.com

51job.jp

51job.net

DNS History

12 records (4 active, 8 former)

○NSjob15.com2019-12-24 → 2019-12-24 · 3 obs

● 2019-12-24 19:17:44
○ 2026-03-09 20:26:10
○ 2026-03-26 10:39:28

●NSns1.dnbiz.com2019-12-24 → 2026-03-26 · 2 obs

● 2019-12-24 19:17:44
● 2026-03-26 10:39:28

●NSns2.dnbiz.com2019-12-24 → 2026-03-26 · 2 obs

● 2019-12-24 19:17:44
● 2026-03-26 10:39:28

●MXmail.happyisp.com2026-03-09 → 2026-03-26 · 3 obs

○ 2017-02-16 17:02:32
● 2026-03-09 20:26:10
● 2026-03-26 10:39:28

○MXmail.skrimple.com2015-07-10 → 2017-02-16 · 4 obs

● 2015-07-10 03:11:32
● 2017-02-16 17:02:32
○ 2026-03-09 20:26:10
○ 2026-03-26 10:39:28

○A103.51.144.812017-02-16 → 2017-02-16 · 4 obs

○ 2016-05-04 16:49:26
● 2017-02-16 17:02:32
○ 2019-12-24 19:17:44
○ 2026-03-26 10:39:28

●A127.0.0.12026-03-09 → 2026-03-26 · 3 obs

○ 2019-12-24 19:17:44
● 2026-03-09 20:26:10
● 2026-03-26 10:39:28

○A13.124.19.672019-12-24 → 2019-12-24 · 4 obs

○ 2017-02-16 17:02:32
● 2019-12-24 19:17:44
○ 2026-03-09 20:26:10
○ 2026-03-26 10:39:28

○A162.218.54.422015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 03:11:32
○ 2015-11-16 13:36:48
○ 2026-03-26 10:39:28

○A198.12.15.2442015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 03:11:32
○ 2015-11-16 13:36:48
○ 2026-03-26 10:39:28

○A65.19.157.2342016-05-04 → 2016-05-04 · 4 obs

○ 2016-02-11 00:00:56
● 2016-05-04 16:49:26
○ 2017-02-16 17:02:32
○ 2026-03-26 10:39:28

○A65.19.157.2352015-11-16 → 2016-02-11 · 5 obs

○ 2015-07-10 03:11:32
● 2015-11-16 13:36:48
● 2016-02-11 00:00:56
○ 2016-05-04 16:49:26
○ 2026-03-26 10:39:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
job15.com	ns1.dnbiz.com, ns2.dnbiz.com	2 records

✅ Authoritative Response

Server:60.190.243.163

NS records: ns1.dnbiz.com, ns2.dnbiz.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for job15.com (unsigned zone)

⏱️ Timing

Total: 3483ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`127.0.0.1`
MX	1	`mail.happyisp.com (pri: 1)`
TXT	1	`v=spf1 ip6:fd0d:d741:e183::/48 -all`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dnbiz.com, ns2.dnbiz.com)

Analysis

IP Addresses

job15.com points to a single IP address: 127.0.0.1.

Other host names such as plaza.kh.ua, ihomer.tv, h-u.com.cn, 12.90.53.static.quadranet.com and 22455com.app share IPs with job15.com.

Name Servers

Two name servers ns1.dnbiz.com and ns2.dnbiz.com handle the delegation for job15.com.

job15.com shares the same name server setup as other domains, for example kayeka.com, frpz.com, cubu.cn, ipinpin.com and ba-kin.info.

job15.com shares name servers with other domains at least partially, for instance americanbtu.com.

Mail Servers

The mail.happyisp.com mail server handles job15.com.

job15.com shares the same mail server setup as other domains, including www.meizhu.com, fileaccesscenter.com, kefo.cn, fuze.cn and 1cent.net.

mail.happyisp.com points to two IP numbers: 5.161.49.68 and 137.184.158.105.

job15.com - robtex.com

job15.com

com