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Gridlode
Rank #7,521Updated November 10, 2026

a1.net

a1.net is registered with Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA since November 7, 1995 (31.0 years). The registration expires on September 12, 2030. Its email security grade is B. Its SSL certificate is issued by DigiCert Inc and is valid for 72 more days.

Domain age
31.0 yrs
Technologies
—
Email security
B
SSL days left
72

Registration

RegistrarAscio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA
IANA ID106
RegisteredNovember 7, 1995
ExpiresSeptember 12, 2030
UpdatedSeptember 15, 2025
Statusclient delete prohibited, client transfer prohibited, client update prohibited
Name serversdns1.a1.net, dns2.a1.net, dns3.a1.net
DNSSECNot signed

DNS records

TypeValueTTL
A80.75.40.11616
MXsmx01.a1.net 10300
NSdns1.a1.net3600
NSdns2.a1.net3600
NSdns3.a1.net3600
TXTMS=ms480685943600
TXTwhzf5gbb5lwcn2lnl8pkzn2zncxpm7f23600
TXTmandrill_verify.i_T89qdYxEf5VgqtIhZyfw3600
TXTMS=7BFEE0D45500D60C165E87606D0BF891E55085143600
TXTAstLuHT4oVBD3ItTLAG+UoHCVIcGTEsfH+ikeQl1Kvs=3600
TXTv=spf1 include:aspf.a1.net include:cspf.a1.net -all3600
TXTfacebook-domain-verification=0najtbx8zjqvwjdv7cd4rh8872s6yy3600
TXTgoogle-site-verification=8vF7Hs4xX5i3esaJ1cFk9rife0JEh5W8-0D3SnbU23U3600
TXTgoogle-site-verification=RoVUqW5WROeAnnxASp7BLzJ4A3AArwoj58WbwWgWrws3600
TXTgoogle-site-verification=e8G_g8FbZMamGaAkWXbkKN1kdYWlhGGw2ewrLvGK2iQ3600
TXTgoogle-site-verification=kJrL9BabChxv3UbQe9AXyAjI4uRnWasL-n4qX89H_vs3600
TXTgoogle-site-verification=wzHLh9x19A1qgvHTBF1Ld2yjDL5b5VHQDDjTshy33Q03600

SSL certificate

ValidValid
IssuerUS, Thawte TLS RSA CA G1, DigiCert Inc
ExpiresJanuary 22, 2027
Days remaining72
ProtocolTLSv1.3
Names*.a1.net, a1.net

Email security

BScore 85/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodDMARC aggregate reports are sent to mailto:[email protected].
  • goodDKIM keys found (selector: s1, s2, mandrill).
  • good1 MX record(s) found.

About a1.net

Who is the registrar of a1.net?

a1.net is registered with Ascio Technologies, Inc. Danmark - Filial af Ascio technologies, Inc. USA (IANA ID 106).

When does a1.net expire?

The current registration of a1.net expires on September 12, 2030. It was first registered on November 7, 1995.

Does a1.net protect its email with SPF and DMARC?

a1.net scores 85/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.

What are the name servers of a1.net?

a1.net uses dns1.a1.net, dns2.a1.net, dns3.a1.net.