YouTube_Url:: YouTube_Title:: WhatsApp प्रसार से पहले मृत base कैसे पहचानें YouTube_KeyWords:: YouTube_Description::
Product Link:: https://androidsender.com/whatsapp-web-warmer-sender-review/
Chrome Extension:: https://chromewebstore.google.com/detail/whatsapp-bulk-sender-rege/bmngmikecppjnlcbmdblgnngpmalnpcp
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Instagram_Url:: Instagram_Caption:: Instagram_Hashtags:: LinkedIn_Url:: LinkedIn_Text::
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Product Link::
Slug:: whatsapp-dead-database-warning-signs
WebSiteDescription::
5 संकेत और 15-मिनट express audit - numbers validate कर outreach से पहle, account न जलाएँ।
Article::
# 🔍 Number जलाने से पहle dead base कैसे पहचानें
> Agency ने 10,000 purchased numbers पर blast। 40 messages - 18 failed delivery। Message 41 पर 2-year high-trust account permanent ban। Cause: list - 15-min pre-audit में दिख सकता था।
Guides text/timing/warm-up cover - list rarely। List decides day-two survival। Dead list = age + source + mobile % + activity - mostly visible pre-send।
---
## Dead base - 5 problems
| Type | Meaning | Detect |
|---|---|---|
| Invalid | no WA JID | validator/Cloud API |
| Inactive | account unused | Meta binary only |
| Duplicate | repeat | dedup |
| Landline/fax | can't be WA | HLR |
| Format | not E.164 | length check |
---
## 5 toxic signs
- **>6 months old** - ~3–5% decay/month heuristic।
- **Purchased/scraped unfiltered** - [cold vs warm](/blog/whatsapp-cold-vs-warm-database-difference/hi/)।
- **<70% mobile** - landlines can't register।
- **Dupes** - [Excel segmentation](/blog/whatsapp-database-segmentation-excel-guide/hi/)।
- **No activity** - [legal risks](/blog/whatsapp-marketing-law-russia-fines/hi/)।
---
## 15-min express audit
1. E.164 + dedup।
2. Validator - [WABA](/blog/whatsapp-business-api-bulk-messaging/hi/) or Baileys; cloud 10k in 5–15min - [migration](/blog/migrate-telegram-viber-contacts-to-whatsapp/hi/)।
3. HLR - mobile vs landline।
4. Carrier/region slice - chaotic mix = purchased junk heuristic।
---
## Metrics
Quality Rating ≥0.80; Bounce ≤2%; Complaint ≤0.1%; test Failed <5%; stop >30% on 50 - [A/B](/blog/whatsapp-ab-testing-broadcast-messages-guide/hi/), [ban](/blog/whatsapp-number-ban-mechanics-mass-mailing/hi/), [antispam](/blog/whatsapp-anti-ban-rules-human-behavior/hi/)। Test 50 - [first cold](/blog/whatsapp-first-cold-message-template-no-ban/hi/)।
---
## Fail vs success, checklist, multi-account
10k no audit → ban msg 41; audited 2600 clean → 98% delivery। Multi-account doesn't fix - [economics](/blog/whatsapp-broadcast-economics-cost-per-conversation/hi/)।
Meta: registered yes/no only।
---
## 🎯 अगला कदम
Validator run - invalid % + landline share record।
## निष्कर्ष
**व्यावहारिक नियम:**
> Message rewrite after complaint possible। Dead-list ban not - audit before launch।
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