Add the DNS step to the data centre failover runbook
TSK-1035
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Last updated
Open
Owner
Hans OverbeekAssignee
Hans OverbeekCreated by
Sam de VriesDue
11/5/2026Source
Ad-hocDescription
The partial failover showed that traffic only moved after someone changed the DNS records by hand. Write that step into the runbook, with the records and the time to live to use.
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Change review decision log change-review-decision-log.csv
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Vulnerability scan summary vulnerability-scan-summary.csv
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Data centre access list data-centre-access-list.csv
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Quarterly access review export access-review-export.csv
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Cryptographic key inventory cryptographic-key-inventory.json
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Leaver checklist, completed leaver-checklist.txt
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Endpoint encryption status report endpoint-encryption-status.csv
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Backup restore test report backup-restore-test-report.pdf
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Data processing agreement register export dpa-register.csv
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Clean desk spot-check notes clean-desk-spot-check.txt
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Phishing simulation results phishing-simulation-results.csv
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Conditional access policy export conditional-access-policies.json
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Security awareness training completion export awareness-training-completion.csv
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Vulnerability scan summary vulnerability-scan-summary.csv
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Quarterly access review export access-review-export.csv
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Backup restore test report backup-restore-test-report.pdf
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Phishing simulation results phishing-simulation-results.csv
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Quarterly access review export access-review-export.csv
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Backup restore test report backup-restore-test-report.pdf
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Data centre 1 ISO 27001 certificate data-centre-1-iso27001-certificate.pdf
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Quarterly access review export access-review-export.csv
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Data centre 2 ISO 27001 certificate data-centre-2-iso27001-certificate.pdf
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Cyber insurance certificate cyber-insurance-certificate.pdf
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Baseline risk register export risk-register-baseline.csv
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Management Board approval of the Information Security Policy board-approval-isp.pdf