How is slideshare.net?

Looks fine risk 0/100

Registered 21 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 34 ms.

Why

02050100

finecarefulhigh risk

·Nothing in the checks added risk.

Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

The home page, rendered by how.is in a sandboxed browser. Nothing on it is clickable here.

Site

200

34 ms

HTTPS

40 d

left on a Let's Encrypt certificate

Age

21 years

registered 2006-04-04

Blocklists

listings across 4 lists; 1 did not answer

Everything we looked at

DNS records5 record types

A	151.101.194.152 151.101.66.152 151.101.130.152 151.101.2.152
MX	1 smtp.google.com
NS	ns-178.awsdns-22.com ns-1225.awsdns-25.org ns-802.awsdns-36.net ns-1650.awsdns-14.co.uk
TXT	0b2ca37a856d424fa0188c4908cacf6c 533115289-1138720 google-site-verification=GMw4f3bXpsJI74PMG4IBfWz1w3_DUsvriSlEjKbXyKo google-site-verification=Q5_zzFNm5OGFcyL3lnV44cVoJjo6KbEH3PeIKcg9mGU google-site-verification=z0MToYwj_eTkwEHlRGUDGpmnY2kWd92EL11Wn8bw2t0 v=spf1 ip4:34.216.216.60 ip4:34.216.216.61 ip4:52.39.56.161 ip4:52.43.64.76 ip4:192.174.84.0/28 ip4:147.253.223.25 ip4:147.253.223.26 ~all
CAA	{'type': 'CAA', 'issue': 'letsencrypt.org', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'letsencrypt.org'} {'type': 'CAA', 'issue': 'amazon.com', 'critical': 0} {'type': 'CAA', 'critical': 0, 'issuewild': 'amazon.com'}

RegistrationAmazon Registrar, Inc.

registrar	Amazon Registrar, Inc.
registered	2006-04-04
expires	2027-04-04
last changed	2026-05-15
owner	c/o whoisproxy.com
nameservers	ns-1225.awsdns-25.org ns-1650.awsdns-14.co.uk ns-178.awsdns-22.com ns-802.awsdns-36.net
status	client transfer prohibited

registered 2006-04-04expires 2027-04-04

HTTPS certificate40 days left

valid	yes
issuer	Let's Encrypt
covers	*.slideshare.net, slideshare.net
protocol	TLSv1.3

issued 2026-09-07expires 2026-12-06

DNSSECinsecure

Domain is not signed with DNSSEC

. → net → slideshare.net

Email authenticationgood

SPF	pass `v=spf1 ip4:34.216.216.60 ip4:34.216.216.61 ip4:52.39.56.161 ip4:52.43.64.76 ip4:192.174.84.0/28 ip4:147.253.223.25 ip4:147.253.223.26 ~all`
DMARC	pass policy reject
DKIM	none of 1 common selectors

Whether mail claiming to be from this domain can be checked as genuine.

Security scoregrade A · 175/205

Basic Security

20/40missing: DNSSEC Enabled

Record Security

45/45missing: DKIM Presence

Advanced Security

15/25missing: Mail Server Configuration, IPv6 Support

Domain Reputation

50/50

Threat Detection

45/45missing: Domain Age Check

Blocklists0 listings · 14 lookups

SURBL MultidomainURIBL MultidomainSpamCop151.101.130.152Barracuda151.101.130.152UCEPROTECT Level 1151.101.130.152SpamCop151.101.194.152Barracuda151.101.194.152UCEPROTECT Level 1151.101.194.152SpamCop151.101.2.152Barracuda151.101.2.152UCEPROTECT Level 1151.101.2.152SpamCop151.101.66.152Barracuda151.101.66.152UCEPROTECT Level 1151.101.66.152

Green: clean. Red: listed. Grey: the list did not answer.

Ask it yourself

Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.

curl "https://how.is/v1/domain/trust?domain=slideshare.net" \ -H "Authorization: Bearer $HOWIS_KEY" # or pay per call in USDC (x402), no key: the 402 tells your agent the price curl -i "https://how.is/v1/domain/profile?domain=slideshare.net"

MCP: add https://how.is/mcp to Claude, Codex or Cursor (one-line install) and ask for domain_trust on slideshare.net. Reference: /llms.txt.

Watch slideshare.net. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.

Watch — $1 / 30 days