21ic.com
Its Domain Power Rank is moderate.
- Global Rank
- #160,117
▼ 63,260
- Rank in TLD
- #68,313
▼ 26,416
- Referring Domains
- 536
▲ 3
- Avg. Referrer Power Rank
- 19.9
- Subdomains
- 37
- Domain age
- 26 yr 9 mo
Link Overview
- Avg. Referrer Power Rank
- 19.9
- Median Referrer Power Rank
- 17.3
- Referring Domains
- 536
- Linked Domains
- 124
Referring Domains by Power Rank
0–9 147
10–19 155
20–29 118
30–39 66
40–49 22
50–59 17
60–69 7
70–79 3
80–89 1
90–100 0
Total 536
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| nih.gov | 87.1 | #91 |
| archlinux.org | 73.4 | #1,752 |
| csdn.net | 70.7 | #2,955 |
| ti.com | 70.0 | #3,409 |
| messefrankfurt.com | 69.2 | #3,896 |
| cnblogs.com | 69.1 | #3,992 |
| microchip.com | 65.7 | #6,738 |
| st.com | 65.2 | #7,304 |
| analog.com | 63.9 | #8,953 |
| nordicsemi.com | 60.6 | #15,538 |
Basic Information
- TLD
- .com
- Registration date
- 10 Jan 2000
- Last updated
- 29 Jun 2026
- Expires
- 10 Jan 2027 (66 days remaining)
- Domain statuses
- ok
- Registry
- VeriSign Global Registry Services
- Registrar
- Alibaba Cloud Computing (Beijing) Co., Ltd.
Subdomain
ad.21ic.comauto.21ic.combbs.21ic.comblog.21ic.comboard.21ic.comcn.21ic.comcn2.21ic.comcollect.21ic.comp.datasheet.21ic.comdl.21ic.comedu.21ic.comembed.21ic.comgd32mcu.21ic.comgdbbs.21ic.comhuodong.21ic.comimage.21ic.comimg.21ic.comjob.21ic.comkucun.21ic.comlive.21ic.com
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| A | 21ic.com | 600 | 47.94.22.105 |
| MX | 21ic.com | 600 | 15 mx3.qiye.aliyun.com |
| MX | 21ic.com | 600 | 10 mx2.qiye.aliyun.com |
| MX | 21ic.com | 600 | 5 mx1.qiye.aliyun.com |
| NS | 21ic.com | 86400 | vip3.alidns.com |
| NS | 21ic.com | 86400 | vip4.alidns.com |
| SOA | 21ic.com | 600 | vip3.alidns.com. hostmaster.hichina.com. 2026082415 3600 1200 86400 600 |
| TXT | 21ic.com | 600 | v=spf1 include:spf.qiye.aliyun.com -all |
Email Authentication
- MX
- Valid
- SPF
- Valid
- DMARC
- Not configured
DMARC is not configured.
Some information is cached or comes from our own analysis, so it may not be current or complete. Our link analysis does not cover every link on the web. Metrics are based on our own methodology and should not be taken as definitive assessments of a domain’s or service’s quality or trustworthiness.