DNS Report: colab.research.google.com

Generated: 2026-08-09T00:49:38-05:00

59/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
OKIPv6 (AAAA)10/104 IPv6 address(es) detected.
ERRORName server redundancy0/201 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
ERRORSPF0/25SPF policy not found.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5564 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40HTTP/2 405
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
colab-alv.research.google.com.
216.239.34.180
216.239.36.180
216.239.38.180
216.239.32.180
AAAA
colab-alv.research.google.com.
2001:4860:4802:38::180
2001:4860:4802:34::180
2001:4860:4802:32::180
2001:4860:4802:36::180
CNAME
colab-alv.research.google.com.
MX
colab-alv.research.google.com.
TXT
colab-alv.research.google.com.
NS
colab-alv.research.google.com.
SOA
colab-alv.research.google.com.
CAA
colab-alv.research.google.com.
DS
colab-alv.research.google.com.
DNSKEY
colab-alv.research.google.com.
RRSIG
NSEC
NSEC3
colab-alv.research.google.com.
SRV
colab-alv.research.google.com.
NAPTR
colab-alv.research.google.com.
TLSA
colab-alv.research.google.com.
SSHFP
colab-alv.research.google.com.