mx21.0so.com - dns.ninja

`mx21.0so.com`

DNSSEC	⚠️ Not signed
A	217.92.80.227^{🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider}
		PTR	`mx21.0so.com`
TXT	`v=spf1 ip4:217.92.80.227 -all`

	DNSSEC	⚠️ Not signed
	A	211.154.135.70^{🇨🇳 CHINANET-Guangdong-ShenZhen-MAN211.154.128.0/20 ShenZhenRunXunData -SZMAN-STATIC}
	NS	`vip1.alidns.com` ⭐
	NS	`vip2.alidns.com`
	MX	`mail.0so.com` ⭐
	MX	`mx22.0so.com`⁽¹⁰⁾
	MX	`mx21.0so.com`⁽²¹⁾
	TXT	`656233317-385599691`
	TXT	`v=spf1 mx include:_spf.0so.com -all`
	TXT	`google-site-verification=wazGDcDBEPrZ3AvLZVJAFZ7sup5mPtyDWRV_ezwa3AM`
	SOA	`vip1.alidns.com`hostmaster@hichina.com 2025-12-11 #12

227.80.92.217.in-addr.arpa

0so.com

zns.gmbh

mx21.net

21xm.com

m21x.top

21mx.de

xm12.top

12mx.cn

21xm.cn

1mx2.com

mx12.com

x12m.com

2m1x.de

1 record (1 active, 0 former)

●A217.92.80.2272026-03-26 → 2026-08-02 · 2 obs

● 2026-03-26 00:34:44
● 2026-08-02 02:41:48

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
0so.com	vip1.alidns.com, vip2.alidns.com	20 records

Server:121.40.6.162

NS records: vip1.alidns.com, vip2.alidns.com

⚠️ Insecure (no DNSSEC)

No DS record for 0so.com (unsigned zone)

Total: 487ms | Queries: -

Type	Count	Sample Data
A	1	`217.92.80.227`
TXT	1	`v=spf1 ip4:217.92.80.227 -all`

Total: 20

Out-of-bailiwick: 20 (vip1.alidns.com, vip1.alidns.com, vip1.alidns.com...)

mx21.0so.com handles mail for both 0so.com and zns.gmbh.

mail.0so.com and mx22.0so.com commonly serve as mail servers alongside mx21.0so.com.

mx21.0so.com resolves to just one IP address, 217.92.80.227.