Mailplug (KR) mailbox provider
According to Live Direct Marketing's daily Tranco top-1M scan (September 7, 2026), Mailplug (KR) is the mailbox provider for 149 domains — 0.02% of 666,076 domains with MX records. Detection method: primary MX record (lowest preference).
Key facts
- 149 domains in the Tranco top-1M use Mailplug (KR) (0.02% of domains with MX records).
- Snapshot date: 2026-09-07 — recomputed every day.
- Strongest TLD: .com (34.2% of its domains).
- Region skew: South Korea.
- Most co-used service: Stibee.
- Directory category: mailbox provider.
Why Mailplug (KR) appears in this category
South Korean business email and groupware provider.
We classify it as a mailbox provider from primary MX record (lowest preference) matching a maintained provider rule. This is infrastructure attribution from public DNS, not evidence of a direct contract or exclusive use.
What the data shows
91.3% of its domains sit outside the top 100,000 — a long-tail footprint spread across smaller sites. It spans 4 TLDs, led by .com (34.2%) — a broad, internationally distributed base. The service most often seen alongside it is Stibee (ESP), on 5.4% of its domains.
Where Mailplug (KR) sits in the Tranco ranking
| Tranco rank band | Domains | Share of its base |
|---|---|---|
| Top 1,000 | 0 | 0.0% |
| Top 10,000 | 0 | 0.0% |
| Top 100,000 | 9 | 6.0% |
| Top 1,000,000 | 136 | 91.3% |
| Unranked | 4 | 2.7% |
Top-level domain split
| TLD | Domains | Share | |
|---|---|---|---|
| .com | 51 | 34.2% | |
| .co.kr | 49 | 32.9% | |
| .kr | 40 | 26.8% | |
| .net | 9 | 6.0% |
What Mailplug (KR) users also use
Cross-tabulated from the same daily snapshot — the other email services seen on the same 149 domains.
See the full Mailplug (KR) data page (KPI cards, trend, sample domains) →
Run a free inbox-placement test across Gmail, Outlook, Yahoo and more — see exactly where your mail lands and why.
Frequently asked questions
How many domains use Mailplug (KR)?
149 domains in the Tranco top-1M use Mailplug (KR) as their mailbox provider as of September 7, 2026 (0.02% of domains with MX records), according to Live Direct Marketing's daily DNS scan.
Is Mailplug (KR) common enough to affect email deliverability testing?
Mailplug (KR) accounts for 0.02% of domains with MX records in the top 1M. Whether you should seed a test mailbox there depends on how much of your audience it represents — the co-usage table above shows the services it appears alongside most.
Which countries or TLDs use Mailplug (KR) most?
Mailplug (KR)'s largest TLD is .com (34.2% of its domains); it appears across 4 TLDs in total.