nii.ac.jp
This domain has many referring domains, and its Domain Power Rank is relatively high.
- Global Rank
- #4,887
▼ 871
- Rank in TLD
- #83
▼ 9
- Referring Domains
- 16,475
▼ 146
- Avg. Referrer Power Rank
- 24.9
- Subdomains
- 1,053
- Domain age
- 26 yr 9 mo
Link Overview
- Avg. Referrer Power Rank
- 24.9
- Median Referrer Power Rank
- 20.9
- Referring Domains
- 16,475
- Linked Domains
- 4,264
Referring Domains by Power Rank
0–9 3,042
10–19 4,735
20–29 3,356
30–39 2,241
40–49 1,522
50–59 901
60–69 455
70–79 177
80–89 39
90–100 7
Total 16,475
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| google.com | 99.8 | #1 |
| github.com | 93.6 | #19 |
| apple.com | 93.5 | #22 |
| shopify.com | 92.5 | #28 |
| wikipedia.org | 91.8 | #34 |
| amazon.com | 90.8 | #40 |
| squarespace.com | 90.3 | #46 |
| w3.org | 88.8 | #62 |
| bit.ly | 88.4 | #67 |
| weebly.com | 87.4 | #85 |
Basic Information
- TLD
- .jpJapan
- Registration date
- 17 Jan 2000
- Last updated
- 31 Jan 2026
- Expires
- 31 Jan 2027 (88 days remaining)
- Domain statuses
- Connected (2027/01/31)
- Registry
- Japan Registry Services Co., Ltd.
Subdomain
kokubunken.aa.nii.ac.jpwww.adl.nii.ac.jpwww.ap.nii.ac.jpjalenrosegolfclassic.comweko.at.nii.ac.jpweko.at.nii.ac.jpbigdata.nii.ac.jpbigdata-paper.nii.ac.jpbiocaster.nii.ac.jpborn.nii.ac.jpbunka.nii.ac.jpbunka11.nii.ac.jpbunka12.nii.ac.jpbunka3.nii.ac.jpbunka4.nii.ac.jpbunka7.nii.ac.jpbunka9.nii.ac.jpbunkaapi.nii.ac.jpbunkaedit.nii.ac.jpcat-sru.nii.ac.jpcatdoc.nii.ac.jp
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| MX | nii.ac.jp | 1800 | 10 ALT3.ASPMX.L.GOOGLE.COM |
| MX | nii.ac.jp | 1800 | 10 ALT4.ASPMX.L.GOOGLE.COM |
| MX | nii.ac.jp | 1800 | 5 ALT1.ASPMX.L.GOOGLE.COM |
| MX | nii.ac.jp | 1800 | 5 ALT2.ASPMX.L.GOOGLE.COM |
| MX | nii.ac.jp | 1800 | 1 ASPMX.L.GOOGLE.COM |
| NS | nii.ac.jp | 86400 | dns1.nii.ac.jp |
| NS | nii.ac.jp | 86400 | dns-x.sinet.ad.jp |
| NS | nii.ac.jp | 86400 | dns2.nii.ac.jp |
| SOA | nii.ac.jp | 86400 | dns1.nii.ac.jp. postmaster.nii.ac.jp. 2026102600 3600 1200 604800 86400 |
| TXT | nii.ac.jp | 3600 | v=spf1 ip4:136.187.0.0/16 ip4:157.1.0.0/16 include:_spf.google.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.