Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sig.biz
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 21:10:50 UTC · ↺ Refresh
MX Hostnames
- sig-biz.mail.protection.outlook.com
MX Priorities
- sig-biz.mail.protection.outlook.com: 1
A / AAAA Records
- 20.105.216.35 (no PTR)
Mail Server IPs
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com administrator.sig-it.com 2003044051 10800 1800 3600000 3600
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
administrator@sig-it.com
Serial
2003044051
Refresh
10800s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
ns2-08.azure-dns.net
ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:213.215.157.254 ip4:194.69.46.95 ip4:193.131.180.254 ip4:193.132.52.1 ip4:151.253.65.233 include:successfactors.eu include:spf.protection.outlook.com include:spf2.sig.biz include:spf_visy.sig.biz include:mail.zendesk.com include:amazonses.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- apple-domain-verification=9zo8WFK6gMPYwYJO
- atlassian-domain-verification=b8fTKOw+EiCxRMNsNCOMes9KSt0vDuLPTyDOvYrkC6tDjHjuzLQEs0HYO6jR+FNa
- SPFv=spf1 ip4:213.215.157.254 ip4:194.69.46.95 ip4:193.131.180.254 ip4:193.132.52.1 ip4:151.253.65.233 include:successfactors.eu include:spf.protection.outlook.com include:spf2.sig.biz include:spf_visy.sig.biz include:mail.zendesk.com include:amazonses.com -all
- zoho-verification=zb25336900.zmverify.zoho.com
- smartsheet-site-validation=N_36z8gV1J3OsbBAbXrog0pWeDYFoHz4
- pardot251992=7e9b9b5904c8d92f3426a07849de75c99e9243cdde502c231d5f86878d194c5b
- 6ff17be63c55de2b547a228d342e53e71f8218614266da8dda
- sending_domain908702=d0aab4691c5c602348c000b412e1cc86ff93ee3e4834cd6ffc404086d4537b67
- lp33x2mhppvhyc9t30p8ls58qxhx99mx
- google-gws-recovery-domain-verification=51244860
- ms-domain-verification=63c0b485-9464-48b3-b8ac-752a96ef473c
- UmQ1fnX14nVpHg5WUapoteuHyGO/xIOc4+oaGvTggNFcOCVenBZbqmmOGld/FimueRQQCf+gTXp8Ygq7+1Ky/A==
- ibmid=cdfeace5-1008-4ae9-9bbe-5a6f24602c6b
- google-site-verification=ZqlQbWc4GzDhnq6_sakAnQoTrpECg10-YTn64vmHSZs
- sending_domain251992=fb43d2ccc36c8394ea9f5479cdd9c65dc2d8a4976950e84e3a9c608b55b7f3e1
- MS=ms73317077
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