Nocarbschallenge uses Klaviyo as their primary email service provider. They rank #160,550 in the Tranco list of most-popular domains. Their email authentication setup is good (score 80/100).
Authentication signals observed in this brand's emails. SPF, DKIM and DMARC are the standard sender-authentication stack — see the DMARC policy below for whether spoofing is actually blocked or just monitored. One-click unsubscribe meets Google & Yahoo's bulk-sender requirements.
SPF / DKIM / DMARC above reflect the last 8 emails we've observed. DMARC policy is read live from DNS.
DMARC reports sent to glockapps.com. Policy
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: all 89 observed emails use a return-path aligned with nocarbschallenge.com (send.nocarbschallenge.com). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: all 82 observed emails sign with a domain aligned with nocarbschallenge.com (nocarbschallenge.com). DKIM authenticates the visible From — supports DMARC directly.
TLS: modern — 100% TLS 1.3 (across 21 sends).
Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 2 sends).
Dynamic content: NiftyImages — real-time/personalised email content layered on top of the ESP.
Brands often use multiple ESPs (e.g. one for marketing, another for transactional/notifications).
None — only the primary ESP(s) shown aboveESPs we've seen sending email for this brand. Green = confirmed by SPF, sender IP rDNS, or known infra pairing (label shows the source). Grey = observed but not yet confirmed by SPF or PTR.
ESPs this brand has authorized in their SPF record. We confirm them with a green ✓ only after seeing recurring use (3+ emails across 2+ days). Until then they stay here — either we haven't observed any email yet, or we've seen a handful but not enough to call them a regular sender for the brand.
Probed: nocarbschallenge.com, send.nocarbschallenge.com
Folder distribution across all emails from this brand observed in Gmail inboxes. High inbox % = good deliverability; spam appearances are the headline signal.
| Folder | Count | Share |
|---|---|---|
| inbox | 58 | 92.1% |
| promotions | 5 | 7.9% |
Which ESP's emails are landing where. Sorted by spam % so problem senders surface first. Brands using one ESP for marketing and another for transactional often see very different placement profiles per ESP. Per-ESP folder data only started being captured recently — counts here may be smaller than the total above until backfill catches up.
| ESP | Emails | Placement | Inbox % | Tabs % | Spam % |
|---|---|---|---|---|---|
| Klaviyo | 57 | 98.2% | 1.8% | 0.0% |
Daily observations per ESP. Brands often run multiple ESPs concurrently — marketing on one, transactional on another — so this chart shows usage rather than switches.
IP addresses nocarbschallenge.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 167.89.80.92 | o1290.shared.klaviyomail.com |
49 | 4 | Check → |
| 167.89.77.234 | o1326.shared.klaviyomail.com |
40 | 2 | Check → |
| 167.89.1.244 | o1356.shared.klaviyomail.com |
3 | — | Check → |
| 149.72.197.103 | o1375.shared.klaviyomail.com |
2 | — | Check → |
| 168.245.31.178 | o1328.shared.klaviyomail.com |
2 | — | Check → |
| 149.72.90.8 | o1396.shared.klaviyomail.com |
1 | — | Check → |
| 167.89.100.92 | o1308.shared.klaviyomail.com |
1 | — | Check → |
| 149.72.95.9 | o1398.shared.klaviyomail.com |
1 | — | Check → |
| 168.245.125.63 | o1401.shared.klaviyomail.com |
1 | — | Check → |
| Domain | ESPs detected | Delivery (7d) |
|---|---|---|
nocarbschallenge.com | Klaviyo 100 |