DNS
DNS Lens
Every record type for a name in one lookup, with a DNSSEC verdict and a switch per record type.
Open DNS LensIP addressing
Subnet calculator
sipcalc-style IPv4 and IPv6 details, plus splitting a network, summarising a list and turning a range into CIDR blocks.
Open the subnet calculatorEmail security check
MX, SPF with its ten-lookup budget, DMARC, DKIM keys, BIMI, MTA-STS and TLS-RPT, with a grade for how well the domain resists spoofing.
Open the email checkRegistration
WHOIS & IP info
RDAP registration data for domains, IP addresses and AS numbers, with routing, RPKI validity and approximate location.
Open WHOIS & IP infoRouting
BGP looking glass
What RIPE RIS collectors see for a prefix: AS paths, origin and upstreams, RPKI validity, IRR route objects and visibility.
Open the looking glassData centre
EVPN calculator
VLAN and VRF to VNI allocation, route distinguishers and route targets, VXLAN MTU sizing, leaf configuration and route scaling.
Open the EVPN calculator