holub.com
Its Domain Power Rank is moderate.
- Global Rank
- #236,376
▲ 20,355
- Rank in TLD
- #99,520
▲ 7,608
- Referring Domains
- 187
▼ 11
- Avg. Referrer Power Rank
- 31.0
- Subdomains
- 3
- Domain age
- 31 yr 4 mo
Link Overview
- Avg. Referrer Power Rank
- 31.0
- Median Referrer Power Rank
- 27.3
- Referring Domains
- 187
- Linked Domains
- 80
Referring Domains by Power Rank
0–9 22
10–19 33
20–29 53
30–39 33
40–49 16
50–59 11
60–69 9
70–79 3
80–89 4
90–100 3
Total 187
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| google.com | 99.8 | #1 |
| github.com | 93.6 | #19 |
| wikipedia.org | 91.8 | #34 |
| wikimedia.org | 85.2 | #150 |
| substack.com | 84.4 | #173 |
| plesk.com | 81.2 | #372 |
| berkeley.edu | 80.7 | #415 |
| ycombinator.com | 78.0 | #705 |
| dev.to | 77.3 | #807 |
| utah.edu | 74.8 | #1,333 |
Basic Information
- TLD
- .com
- Registration date
- 15 Jun 1995
- Last updated
- 14 Oct 2026
- Expires
- 14 Jun 2027 (221 days remaining)
- Domain statuses
- clientTransferProhibited
- Registry
- VeriSign Global Registry Services
- Registrar
- GANDI SAS
Subdomain
blog.holub.comtest.holub.comwww.holub.com
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| A | holub.com | 60 | 64.90.38.155 |
| MX | holub.com | 60 | 0 mail.protonmail.ch |
| MX | holub.com | 60 | 0 mailsec.protonmail.ch |
| NS | holub.com | 14400 | ns2.dreamhost.com |
| NS | holub.com | 14400 | ns1.dreamhost.com |
| NS | holub.com | 14400 | ns3.dreamhost.com |
| SOA | holub.com | 60 | ns1.dreamhost.com. hostmaster.dreamhost.com. 2026101803 18789 600 1814400 60 |
| TXT | holub.com | 60 | v=spf1 include:_spf.protonmail.ch mx ~all |
| TXT | holub.com | 60 | protonmail-verification=4c01f69f554b20d29a694ac4d116344f7160a87d |
Email Authentication
- MX
- Valid
- SPF
- Valid
- DMARC
- Warning
DMARC is set to p=none, which does not ask receiving servers to quarantine or reject failing messages.
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.