Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
firstround.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 03:25:46 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 76.76.21.21
Mail Server IPs
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
- 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net
- 192.178.234.27 ↩ ncsclj-in-f27.1e100.net
- 2800:3f0:4003:c14::1a (no PTR)
SOA Record
Raw SOA
dns0.zoneedit.com zone.zoneedit.com 1789158221 3600 600 1209600 300
Primary NS (mname)
dns0.zoneedit.com
Admin Email (rname)
zone@zoneedit.com
Serial
1789158221
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
ns12.zoneedit.com
ns15.zoneedit.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:mailgun.org include:firstround.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
23 records- google-site-verification=IjmQeUwoq-QHgfc4DSN_g9YGqHh4DIoqTU-CMelB3QU
- docusign=eac30b34-e825-48fa-91ab-a49d1719c158
- apple-domain-verification=Tbtinl2MBVdAWetY
- loom-verification=6092900914
- openai-domain-verification=dv-BBKeppZqFaHW9TuTT4iFe50c
- loom-verification=7127931450
- serval-domain-verification-avwm00=gQrxiDQJu4pufHJhu0momklHY
- SPFv=spf1 include:mailgun.org include:firstround.com._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- notion-domain-verification=LmZ4yW3vf55LOMWwjMeOfLrvPZLpHYEOjp8EtI09wo6
- MS=ms38264384
- ZOOM_verify_xWKV2q0IReSthII7M7DTrw
- atlassian-domain-verification=qtnvoyl1dgvVN1pSamz1cVTsR4DJh0NOi953TjcLJUhQKRhcly1jclDDBONC3X2k
- tinfoil-site-verification: 7ed4d987c42ab73c75abe93523e82f1cfc905357=cbfc6debc4134d2a857d9af4569591b52631e2c0
- dropbox-domain-verification=lnhvr9m8fcx1
- proxy-ssl.webflow.com
- tinfoil-site-verification: 0303de9b66801c73fb394e2422b17c77a81d1e8e=a9c3d1bcc1ba8321c74737a75d6c23d513f5857e
- soI951V
- perplexity-ai-domain-verification-v4afa2=asgwGDwDoxKgQwmpWlzpwojSP
- google-site-verification=SHTW1D3JTyb6Ab_wkMReLy1KcsfCmo5a5_OGtK0OPn0
- quKZfmpsWEo7WCdvNUhXMX7nyNqRwp
- tinfoil-site-verification: 45a5966a15800a89248a719b9b70852110aae512=0868cc04103d2cded33041490d04bda66701cf51
- anthropic-domain-verification-a5ptd3=3zGt497BoGluxHrzwqH01kjZ0
- amazonses:38uK8fT7us0MmGE8lrw14sm9Qx+JF6ffecR5z3uPJaY=
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