1. Sapphire Incident with Roots and VeriSign GTLDs
VeriSign Research
Sapphire Incident with Roots and VeriSign GTLDs

2. GTLD Summary GTLD servers were available and answering queries
Only one GTLD server had operational issues

3. Daily Graph

4. All-sites

5. M off-line

6. Impact on the roots Taken from RIPE's root server monitoring service
60 measuring points monitoring roots once a minute
Most are within Europe
Two roots were impacted
B, G
B -educational
G - USDOD
A and J reported seeing less than normal traffic

7. Impact across Root Constellation

8. Impact across Root Constellation

9. Normal Operating Root

10. Impact on B Root

11. Impact on G Root

12. Summary Root and GTLD system held up
Congestion was at edges or bottlenecks in stream