IPLIST.NET - 21st.com
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21st.com checked at 2025-11-02T10:19:25.941Z 490ms 95/95/95 100% R:1621st.com
| MX | mxa-0028ab01.gslb.pphosted.com | ||||||
| A | 148.163.150.117🇺🇸 Proofpoint | ||||||
| PTR | mx0a-0028ab01.pphosted.com | ||||||
| MX | mxb-0028ab01.gslb.pphosted.com | ||||||
| A | 148.163.150.117🇺🇸 Proofpoint | ||||||
| PTR | mx0a-0028ab01.pphosted.com | ||||||
| NS | ns1.a0.impervasecuredns.net | ||||||
| A | 2a02:e980:4::1 🇺🇸 Incapsula | ||||||
| A | 192.230.121.1🇺🇸 Incapsula | ||||||
| PTR | 192.230.121.1.ip.incapdns.net | ||||||
| NS | ns1.a1.impervasecuredns.net | ||||||
| A | 2a02:e980:5::1 🇺🇸 Incapsula | ||||||
| A | 192.230.122.1🇺🇸 Incapsula | ||||||
| PTR | 192.230.122.1.ip.incapdns.net | ||||||
| NS | ns1.a2.impervasecuredns.net | ||||||
| A | 2a02:e980:6::1 🇺🇸 Incapsula | ||||||
| A | 192.230.123.1🇺🇸 Incapsula | ||||||
| PTR | 192.230.123.1.ip.incapdns.net | ||||||
| A | 45.60.122.143🇺🇸 Incapsula | ||||||
| A | 45.60.132.143🇺🇸 Incapsula | ||||||
com
rank #110052 in the tld
Up
ftp3.21st.com |
autowebservice.21st.com |
policy.21st.com |
m.21st.com |
sfprxy.21st.com |
ns1.21st.com |
www.21st.com |
ww9.21st.com |
ns2.21st.com |
origin-auto.21st.com |
ww2.21st.com |
e.21st.com |
Starts with same word
Starts similarily
AI analysis
21st.com is a parent of ftp3.21st.com, autowebservice.21st.com, policy.21st.com, m.21st.com, sfprxy.21st.com and several other host names.
21st.com points to two IP numbers: 45.60.122.143 and 45.60.132.143.
Other host names, for instance nssystems.net, sosi.com, ucjourney.com, ns-systems.dk and sosi.jobs share IP numbers with 21st.com.
The delegation for 21st.com is handled by three name servers: ns1.a0.impervasecuredns.net, ns1.a1.impervasecuredns.net and ns1.a2.impervasecuredns.net.
21st.com at least partially shares name servers with other domains, for instance aeroportsdeparis.fr, octoclicks.co.id, farmersclaimscareers.com, farmersbillings.com and bahco.com.
Two IP numbers per host:
ns1.a0.impervasecuredns.net points to 2a02:e980:4::1 and 192.230.121.1.
ns1.a1.impervasecuredns.net points to 2a02:e980:5::1 and 192.230.122.1.
ns1.a2.impervasecuredns.net points to 2a02:e980:6::1 and 192.230.123.1.
21st.com is handled by two mail servers: mxa-0028ab01.gslb.pphosted.com and mxb-0028ab01.gslb.pphosted.com.
21st.com uses the same mail server configuration as other domains, such as bristolwest.com, foremost.com, hpcs.com, toggle.com and farmershawaii.com.
21st.com shares some mail servers with other domains at least partially, for example hiinsconsultants.com.
Host names sharing a single IP:
mxa-0028ab01.gslb.pphosted.com points to 148.163.150.117
mxb-0028ab01.gslb.pphosted.com points to 148.163.150.117
Host names that point to 148.163.150.117: mxa-0028ab01.gslb.pphosted.com and mxb-0028ab01.gslb.pphosted.com