HOW.IS
?

How is allegro.cz?

Looks fine risk 0/100

Registered 9 years ago, on no blocklists we checked, valid HTTPS, the site did not answer (timed out).

Why

02050100
finecarefulhigh risk
  • ·Nothing in the checks added risk.

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

Site
down
timed out
HTTPS
131 d
left on a DigiCert Inc certificate
Age
9 years
registered 2017-12-29
Blocklists
0
listings across 5 lists

Everything we looked at

DNS records4 record types
A5.134.215.177
MX10 allegro.in.tmes.trendmicro.eu
NSdns2.allegro.pl
dns1.allegro.pl
dns4.allegro.pl
dns3.allegro.pl
TXTgoogle-site-verification=1L9cxh6GIruiSlrY9JM9O4CK6Y987X0TCKLZchbxm-A
xspcs85tcmm6vyy7yysyn68yrxy0thrg
v=spf1 include:_spf.google.com include:spf_c.oracle.com include:spf.tmes.trendmicro.com include:_spf.salesforce.com ip4:193.23.48.0/24 ip4:193.203.222.0/23 ip4:194.0.251.0/24 ip4:91.194.188.0/23 ip4:91.207.14.0/23 ip4:178.21.152.0/21 ip4:5.134.208.0/21 ip4:185.31.24.0/22 -all
MS=ms16108783
facebook-domain-verification=19dkf15bjhaxn9pyp8ovyfw8ot5uo3
google-site-verification=dTTGLLQ2XY4ZG-x-cp4dW28ShvtAhi3Rc3q2ImCuZJM
tmes=6ba5230e6d97ad56e8e0573a975e77e3
4Ihq7CCjlFI+y43MbyqKj7HVbrOei0tL3Bsy7NUDkk0=
google-site-verification=3ejH55SL6Bpr4VLrgW3dU9yDZWGGREhg-z09oNNiIE8
google-site-verification=qT86-fwd-Z6Ndi3Hj4cQL4GY0soN63cVIOhJxvp0uMk
RegistrationCorporation Service Company (Singapore) Pte Ltd
registrarCorporation Service Company (Singapore) Pte Ltd
registered2017-12-29
expires2026-12-28
last changed2026-04-06
nameserversdns1.allegro.pl
dns2.allegro.pl
dns3.allegro.pl
dns4.allegro.pl
statusactive
registered 2017-12-29expires 2026-12-28
HTTPS certificate131 days left
validyes
issuerDigiCert Inc
covers*.allegro.cz, allegro.cz
protocolTLSv1.3
issued 2026-09-09expires 2027-03-26
DNSSECinsecure

Domain is not signed with DNSSEC

. → cz → allegro.cz
Email authenticationgood
SPFpass v=spf1 include:_spf.google.com include:spf_c.oracle.com include:spf.tmes.trendmicro.com include:_spf.salesforce.com ip4:193.23.48.0/24 ip4:193.203.222.0/23 ip4:194.0.251.0/24 ip4:91.194.188.0/23 ip4:91.207.14.0/23 ip4:178.21.152.0/21 ip4:5.134.208.0/21 ip4:185.31.24.0/22 -all
DMARCpass policy quarantine
DKIMfound: smtp

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

Security scoregrade B · 150/205
Basic Security
10/40missing: DNSSEC Enabled, Nameserver Diversity
Record Security
30/45missing: CAA Records, DKIM Presence
Advanced Security
15/25missing: Mail Server Configuration, IPv6 Support
Domain Reputation
50/50
Threat Detection
45/45missing: Domain Age Check
Blocklists0 listings · 5 lookups
SURBL MultidomainURIBL MultidomainSpamCop5.134.215.177Barracuda5.134.215.177UCEPROTECT Level 15.134.215.177

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=allegro.cz" \ -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=allegro.cz"

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

IPv6. IPv6 readiness grade for allegro.cz Does allegro.cz work over IPv6? See the live check on aaaa.bot — website, mail and nameservers, graded A–F.

Watch allegro.cz. 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