Source note · DNS SRV and service discovery for SIP
Under RFC 2782 an SRV target of '.' means the service is decidedly not available at that domain.
Checked 2026-09-24
A Target of "." means that the service is decidedly not available at this domain.
- Vendor
- IETF
- Product
- DNS
- Subsystem
- SRV
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 2782 (February 2000)
- Checked
- 2026-09-24
Sources
- RFC 2782: A DNS RR for specifying the location of services (DNS SRV) — RFC Editor / IETF · tier 1 standards and regulators · The format of the SRV RR, Target field
Cite this note
APA
WarmTransfer. (2026, September 24). DNS SRV and service discovery for SIP: source note dns-srv-voice-rfc2782-target-dot. WarmTransfer. https://warmtransfer.net/knowledge/claims/dns-srv-voice-rfc2782-target-dot
BibTeX
@misc{warmtransfer-claim-dns-srv-voice-rfc2782-target-dot,
title = {DNS SRV and service discovery for SIP: source note dns-srv-voice-rfc2782-target-dot},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/dns-srv-voice-rfc2782-target-dot},
note = {Source note dns-srv-voice-rfc2782-target-dot, checked 2026-09-24}
}