indexo.dev

holtec.com

.com crawl

First seen 2026-05-09 · Last seen 2026-05-15 · ok HTTP 200 2520 ms crawled 2026-05-15

US · 74.220.219.70 · AS46606 Unified Layer

Reputation 100/100

Registration

Registrar
Network Solutions, LLC
Created
1996-05-23
Expires
2032-05-24 2195 days left
Updated
2022-05-24
Name servers
  • ns29.worldnic.com
  • ns30.worldnic.com

DNS records live

NS
  • ns29.worldnic.com
  • ns30.worldnic.com
MX
  • 0 holtec-com.mail.protection.outlook.com
TXT
Show 4 TXT records
  • 6I4JKUD797AJN0HPN6NH1RF6CK
  • vbKaTqgoVnemEQKD/AObvla2XI8QVKyxHVI4SdnNbvU4Dk9wIMMgwIIrv2nE0Kdwol9OV2uF91Sx9OazcNPWNw==
  • 17ubclbe4ha5h8bunhb9onhan6
  • 5kn0mcecpql0la2bpt3lamr81k
Verified for
  • Apple
  • Atlassian
  • Microsoft
  • Microsoft 365
  • OpenAI

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dy7ltmyj@ag.us.dmarcian.com
policy: quarantine
DKIM
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpKZG1RFaLrwDlXXODRu1BoqvjkJMrvpXDDLSBmHnrIOq8QpP0n8vp5j14Z0AwlICP+iXowmn6T9TZ9ryzKi…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-03-30 to 2026-06-28
Expires in 38 days

Full certificate history on crt.sh ↗

Linked from (1)