DNS Report: a16z.com

Generated: 2026-08-09T05:23:33-05:00

82/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/205 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5586 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: acd89244c803f7181.awsglobalaccelerator.com
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
75.2.60.5
AAAA
CNAME
MX
10 aspmx.l.google.com.
50 aspmx3.googlemail.com.
20 alt1.aspmx.l.google.com.
30 alt2.aspmx.l.google.com.
40 aspmx2.googlemail.com.
TXT
"MS=297F6982EA6FC1794C4BC3FB5FF63A8E4CD4FAC4"
"202608050914220lqeqr1be7wzgwu0su3we15k384s7n93csbokzwx2sxgd1zc93"
"mixpanel-domain-verify=b42dbd80-4f32-4eb4-ad76-2e0c938506f7"
"202608090905190a7llg4n8rkzcutp59iji07fm701h5o4qt5kjtnnfrbe7zuw4l"
"openai-domain-verification=dv-CeeBac0VpbCCPpKaEHijwN7V"
"zapier-domain-verification-challenge=f9cf9944-aaa7-4e2b-aabf-d2a392c18e0c"
"MS=ms78121488"
"google-site-verification=Cda284zEu8xh5veDdCm00SdfO_tJF-ebT809nkgB1zA"
"jamf-site-verification=r5S6YMFCZk83AroC1PcG8w"
"stripe-verification=FC0027ACED84DA245559E90AA0BE435C9D507EE24C5CF17AFD11316B98087577"
"cursor-domain-verification-7pnt8f=k0kHfixkiuNQWkL4COkqeKER8"
"anthropic-domain-verification-afe4hb=TrYvFm4pI5i7OwaiQnLdjFmZi"
"gamma-domain-verification-gp4vsa=J4Meie8RekYZa4fxKQ5kuayqy"
"a5ml0q2qredqkscjd0cnd3rs5o"
"serval-domain-verification-nadw7s=JIQXhfD5M5kFQCtvXTVU0q9Zu"
"ZOOM_verify_CZpP8WiXT3CuvCsqJO99fQ"
"wiz-domain-verification=5dc014a9a7637634bf88686260016ef95998390f9f1703e28716979f451f9a73"
"google-site-verification=-Wz2OSxeSq3x0u54jUMjQwWMa1vmMLS52gm593Cs9d0"
"202608060905301j6t1jmdfyg3x8dd9r0r73vircyqz4rt3p474l7b0v0l7m26wi"
"hubspot-domain-verification=MWVlYzc1MzAtMzY4MC00MzNkLTk0NGQtOWU2Y2I3MTJiZDI2"
"ccisso=ccd758c0-2760-47f8-a10d-e5fc116fddae"
"mgverify=0fe09ec683f6868bb8547d3edcd914093dd94e3957094a60fe4f5e496b2b9745"
"convex-domain-verification-256d1w=dIDjkgljtpVRgsyaRVC1ofc7L"
"elevenlabs=27i8sF6BnzYwPsZ5yq5TdjVJ000nf-OvqH4jBvfEnAQ"
"censys-domain-verification=J1TG-Io7I9BckAxCWrurh86BYAQZGVEmTynNV9awatzH"
"v=spf1 include:_spf.google.com include:_spf.salesforce.com include:spf.happyfox." "com include:mktomail.com include:sendgrid.net ip4:205.201.128.0/20 ip4:198.2.128" ".0/18 ip4:199.15.214.45/32 ip4:199.15.214.46/32 ip4:199.15.214.47/32 ip4:199.15." "214.48/32 ip4:199.15.214.49/32 ip4:199.15.214.50/32 ip4:199.15.214.199/32 ip4:19" "9.15.214.201/32 ip4:199.15.214.202/32 ip4:199.15.215.77/32 ip4:199.15.215.78/32 " "ip4:199.15.215.79/32 ip4:199.15.215.80/32 ip4:199.15.215.81/32 ip4:199.15.215.82" "/32 ip4:192.254.121.248/32 ip4:148.105.12.0/24 ip4:167.89.98.146/32 ip4:167.89.8" "9.46/32 ip4:54.149.36.89/32 ip4:44.236.219.44/32 -all"
"h1-domain-verification=vkosaeLv5aMSu6gt7GRxtajukLQ3hKGixbfbe9ZWR8VwKYf9"
"1password-site-verification=YNM3U5T3JZG5PEII74IIUKCOLQ"
"2026080809053761c3zbz8zxj7ohpnxqzvxcjpbh98de6lpd14xzr7mg64iaoo37"
"domain-verification=1bfe2ca1d5037d223770e532e8422f430ab27da4347b03cf1c29122512653205"
"notion_verify_FvVFn84Y5fBnAntNFUjAg1p8Mox5n8sVJtGGVpmMeKV3PNqhbTdF1MsP5gWvM08GZqFDAZ"
"atlassian-domain-verification=afgyuWvgwYP6dShfPqgKfpNFXkbap4546WDp6lt8DCGR1IykT5K03ZapUqnP0rp5"
"linear-domain-verification=ka59g9ke4vnh"
"202608070905583qutwxqxvjnv3x7eib38wzp1k3jyy9suj4y289ac87rcrci4ar"
"affinity-allowed-subdomains=a16z,a16z-crypto"
"TAILSCALE-hgqvPubwp5HFczvxm0V3"
"parsec-domain-verification=td_3ArojZEiT7u4XxzU4tNRo3dw1iF"
"neat-pulse-domain-verification-4wMj96X=d2d2ebff-e37e-4bac-9efc-a5b0e583a0d4"
"perplexity-ai-domain-verification-66m0r7=3MZMPYJPZOdMXMDKTQAozQpXs"
NS
ha4.markmonitor.zone.
ha1.markmonitor.zone.
ha2.markmonitor.zone.
ha3.markmonitor.zone.
SOA
ha1.markmonitor.zone. hostmaster.markmonitor.com. 2026080901 86400 3600 2592000 172800
CAA
0 issue "pki.goog"
0 issue "digicert.com"
0 issue "godaddy.com"
0 issue "letsencrypt.org"
0 issue "amazon.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP