Too many DNS lookups in an SPF record
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dns
Kubernetes: Pods Can’t Resolve Hostnames
I had a similar problem. Restarting the coredns deployment solved it for me: kubectl -n kube-system rollout restart deployment coredns
Load balancer and API Gateway confusion
API Gateway and Load Balancer are 2 different things. Load Balancer -> Its a software which works at protocol or socket level (eg. tcp, http, or port 3306 etc.) Its job is to balance the incoming traffic by distributing it to the destinations with various logics (eg. Round robin). I doesn’t offer features such as … Read more
Mac Os X Terminal: How to view a domain’s zone file?
→ dig -t ANY stackoverflow.com ; <<>> DiG 9.6.0-APPLE-P2 <<>> -t ANY stackoverflow.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20242 ;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;stackoverflow.com. IN ANY ;; ANSWER SECTION: stackoverflow.com. 1202 IN A 64.34.119.12 … Read more
How to redirect siteA to siteB with A or CNAME records [closed]
Try changing it to “subdomain -> subdomain.hosttwo.com” The CNAME is an alias for a certain domain, so when you go to the control panel for hostone.com, you shouldn’t have to enter the whole name into the CNAME alias. As far as the error you are getting, can you log onto subdomain.hostwo.com and check the logs?
How to create own domain extension? [closed]
You can’t. Only IANA can. Management of most top-level domains is delegated to responsible organizations by the Internet Corporation for Assigned Names and Numbers (ICANN), which operates the Internet Assigned Numbers Authority (IANA) and is in charge of maintaining the DNS root zone. http://en.wikipedia.org/wiki/Top-level_domain Here’s a list of available TLDs: http://www.iana.org/domains/root/db/ http://data.iana.org/TLD/tlds-alpha-by-domain.txt
what is the multicast doing on 224.0.0.251? [closed]
Those look much like Bonjour / mDNS requests to me. Those packets use multicast IP address 224.0.0.251 and port 5353. The most likely source for this is Apple iTunes, which comes pre-installed on Mac computers (and is a popular install on Windows machines as well). Apple iTunes uses it to discover other iTunes-compatible devices in … Read more
xn-- on domain, what it means?
Its the result of IDNA encoding; i.e. converting your unicode domain name to its ASCII equivalent which has to be done as DNS is not unicode-aware. The xn-- says “everything that follows is encoded-unicode”.
What is the maximum length of a DNS name
With your way of counting, the domain name a.b.c.d.e. would be considered to be five characters long. It suspect that not many people will find that way of counting useful. That way of counting also makes the maximum length vary with the number of labels, so when you have four labels the maximum length is … Read more