Klook uses Iterable for marketing email and SendGrid for transactional/notifications. They rank #5,887 in the Tranco list of most-popular domains. Email goes out from 3 different subdomains. Their email authentication setup is solid (score 90/100). We've recorded 1 ESP change since first observing this brand.
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 klook.com. Policy
p=quarantine means receivers actively block or quarantine spoofed mail.
SPF alignment: all 19 observed emails use a return-path aligned with klook.com (bounces.klook.com, default.klook.com, em9697.newsletter.klook.com). SPF authenticates the visible From — supports DMARC directly.
DKIM alignment: all 16 observed emails sign with a domain aligned with klook.com (marketing.klook.com, klook.com, newsletter.klook.com). DKIM authenticates the visible From — supports DMARC directly.
TLS: 44% TLS 1.3, 56% TLS 1.2 (across 9 sends).
Delivery: fast — 100% of emails in the last 7 days arrive in under 10 seconds (across 7 sends).
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: klook.com, bounces.klook.com, default.klook.com, em9697.newsletter.klook.com, marketing.klook.com, newsletter.klook.com, ptr9167.klook.com, sendgrid.klook.com, ptr5917.klook.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 | 5 | 26.3% |
| promotions | 14 | 73.7% |
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 % |
|---|---|---|---|---|---|
| Iterable | 14 | 7.1% | 92.9% | 0.0% | |
| SendGrid | 4 | 100.0% | 0.0% | 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 klook.com has been observed sending from, and where their mail landed in Gmail.
| IP | Hostname | Obs | Placement | Reputation |
|---|---|---|---|---|
| 156.70.22.206 | mta-70-22-206.sparkpostmail.com |
5 | 2 | Check → |
| 156.70.22.211 | mta-70-22-211.sparkpostmail.com |
4 | 2 | Check → |
| 149.72.198.249 | o6.ptr9167.klook.com |
3 | — | Check → |
| 156.70.23.234 | mta-70-23-234.sparkpostmail.com |
2 | 1 | Check → |
| 159.183.24.105 | o8.mkt.newsletter.klook.com |
2 | 2 | Check → |
| 168.245.104.95 | o2.ptr2899.sendgrid.klook.com |
1 | — | Check → |
| 149.72.186.20 | o5.ptr5917.klook.com |
1 | — | Check → |
| 159.183.223.227 | o1.mkt.newsletter.klook.com |
1 | 1 | Check → |
| 159.183.23.93 | o3.mkt.newsletter.klook.com |
1 | 1 | Check → |