theyellowhouse.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 17 April 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 75.2.70.75 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by mx1-us1.ppe-hosted.com, mx2-us1.ppe-hosted.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 75.2.70.75 | 3600s | aacb0a264e514dd48.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 75.2.0.0/17 | 🇺🇸 United States | — |
| 99.83.190.102 | 3600s | aacb0a264e514dd48.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 99.83.128.0/17 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1-us1.ppe-hosted.com | 148.163.129.50 67.231.154.162 |
mx1-us1.ppe-hosted.com mx1-us1.ppe-hosted.com |
AS13916 Proofpoint, Inc. AS22843 Proofpoint, Inc. |
| 20 | 3600s | mx2-us1.ppe-hosted.com | 148.163.129.51 67.231.154.163 |
mx2-us1.ppe-hosted.com mx2-us1.ppe-hosted.com |
AS13916 Proofpoint, Inc. AS22843 Proofpoint, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.99.204.56 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms99131732 |
| v=DMARC1; p=none |
| v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all |
| Policy | Record (theyellowhouse.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:dispatch-us.ppe-hosted.com include:secureserver.net -all |
| Policy | Record (_dmarc.theyellowhouse.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:postmaster@theyellowhouse.dk |
| www CNAME | proxy-ssl.webflow.com (all on webflow.com) |
| www vs bare domain | Same network theyellowhouse.dk: 75.2.70.75 99.83.190.102 (AS16509) www.theyellowhouse.dk: 18.202.8.75 3.248.56.152 54.155.19.65 (AS16509) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025042300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2019-04-17 |
| Expires | 2027-04-30 (192d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 23:02:04 | 1019ms | 3 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-25 21:35:09 | 792ms | 3 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-08 23:32:26 | 1191ms | 3 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-26 06:26:20 | 1115ms | 3 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-25 08:16:47 shown | 6571ms | 3 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-21 11:57:35 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 17:31:55 | 1759ms | 3 NS 2 A 2 MX | 🔒 Secure |