`baffedu.com`

DNSSEC	⚠️ Not signed
NS	`ns1.alidns.com` ⭐
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-45.defastlink.net`
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-55.defastlink.net`
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-205.defastlink.net`
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-215.defastlink.net`
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-45.defastlink.net`
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-55.defastlink.net`
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-115.defastlink.net`
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-125.defastlink.net`
NS	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-46.defastlink.net`
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-56.defastlink.net`
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-206.defastlink.net`
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-216.defastlink.net`
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-46.defastlink.net`
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-56.defastlink.net`
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-116.defastlink.net`
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-126.defastlink.net`
MX	`mxbiz1.qq.com` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`ZOOM_verify_ElKZ0n4gTlKvoY-F5PCnTw`
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`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=1771291435

Same first word

baffedu.com

DNS History

13 records (4 active, 9 former)

●NSns1.alidns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2017-08-31 05:22:20
● 2026-03-24 03:58:24
● 2026-03-24 03:58:26

○NSns1.gnway.cn2015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 00:42:16
○ 2015-10-31 18:52:22
○ 2026-03-24 03:58:26

○NSns1.gnway.com2015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 00:42:16
○ 2015-10-31 18:52:22
○ 2026-03-24 03:58:26

○NSns1.oray.net2015-10-31 → 2017-08-31 · 5 obs

○ 2015-06-22 00:42:16
● 2015-10-31 18:52:22
● 2017-08-31 05:22:20
○ 2026-03-24 03:58:24
○ 2026-03-24 03:58:26

●NSns2.alidns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2017-08-31 05:22:20
● 2026-03-24 03:58:24
● 2026-03-24 03:58:26

○NSns2.oray.net2015-10-31 → 2017-08-31 · 5 obs

○ 2015-06-22 00:42:16
● 2015-10-31 18:52:22
● 2017-08-31 05:22:20
○ 2026-03-24 03:58:24
○ 2026-03-24 03:58:26

○NSpeanutmail.newpeanut.idc2015-10-31 → 2017-08-31 · 5 obs

○ 2015-06-22 00:42:16
● 2015-10-31 18:52:22
● 2017-08-31 05:22:20
○ 2026-03-24 03:58:24
○ 2026-03-24 03:58:26

○MX122.0.80.2232015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 00:42:16
○ 2015-10-31 18:52:22
○ 2026-03-24 03:58:26

○MXmail.baffedu.com2015-10-31 → 2017-08-31 · 5 obs

○ 2015-06-22 00:42:16
● 2015-10-31 18:52:22
● 2017-08-31 05:22:20
○ 2026-03-24 03:58:24
○ 2026-03-24 03:58:26

●MXmxbiz1.qq.com2026-03-24 → 2026-03-24 · 3 obs

○ 2017-08-31 05:22:20
● 2026-03-24 03:58:24
● 2026-03-24 03:58:26

●MXmxbiz2.qq.com2026-03-24 → 2026-03-24 · 3 obs

○ 2017-08-31 05:22:20
● 2026-03-24 03:58:24
● 2026-03-24 03:58:26

○A122.0.80.2162015-10-31 → 2017-08-31 · 5 obs

○ 2015-06-22 00:42:16
● 2015-10-31 18:52:22
● 2017-08-31 05:22:20
○ 2026-03-24 03:58:24
○ 2026-03-24 03:58:26

○A122.0.80.2232015-06-22 → 2015-06-22 · 3 obs

● 2015-06-22 00:42:16
○ 2015-10-31 18:52:22
○ 2026-03-24 03:58:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
baffedu.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.45

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for baffedu.com (unsigned zone)

⏱️ Timing

Total: 3814ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.alidns.com, ns2.alidns.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	2	`ZOOM_verify_ElKZ0n4gTlKvoY-F5PCnTw, v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

Name Servers

baffedu.com is delegated to two name servers: ns1.alidns.com and ns2.alidns.com.

baffedu.com shares the same name server setup as avexchina.com, sshsoft.com, 028nty.com, reapled.com and y-cmd.com.

baffedu.com at least partially shares name servers with other domains, for instance wsxsdf.com, rjet.cn, agroup.cn, mymooc.net and yline.cn.

These name servers are commonly used alongside dns19.hichina.com, dns20.hichina.com, ns7.alidns.com, ns8.alidns.com, dns29.hichina.com, dns30.hichina.com, dns21.hichina.com, dns22.hichina.com, dns7.hichina.com and dns8.hichina.com.

Nine IP numbers per host:

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

Mail Servers

baffedu.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup for baffedu.com matches that of other domains, for instance widegen.com, unilumin.cn, atzsea.com, conwaytech.cn and pole-racing.com.

baffedu.com shares some mail servers with other domains, at least partially, for example gamersky.info, niulanshan.com.cn, miramartravel.cn and natraphile.net.

Host names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191. Host names with one IP number: mxbiz2.qq.com points to 203.205.232.191. Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.

baffedu.com - robtex.com

baffedu.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`baffedu.com`

`com`